Colorimetry

Portable design with uncompromised performance

Depend on Thermo Scientific Orion AQUAfast colorimeters for simple, accurate, and portable instruments for your water analysis. Offering a wide range of methods, optimum wavelengths, user-friendly displays, and easy calibration, AQUAfast colorimetry meters are fieldwork essentials.

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Colorimetry instruments

Go where you need to go for your water analysis needs with any AQUAfast Portable Colorimeter. Choose between four models and 134 preprogrammed methods to measure the concentrations of sample components.

AQUAfast AQ3700 Colorimeter

Advanced reliability when you need it most

90+ pre-programmed powder, tablet, and liquid reagent-based methods
6 LED wavelengths, auto-selected via method
Stores 10 user-created methods
1,000 data-point memory
Rugged IP-67 (waterproof) construction
Meter and reagents are compliant with many global regulated testing methods for water samples, including U.S. EPA methods.
Compliant with US EPA and other global testing methods for many drinking water and wastewater parameters.
Accessory adapters, sealing ring and meter verification check standards kit available

View AQUAfast AQ3700 Colorimeter Reagents ›

AQUAfast AQ4000 Colorimeter

Sophisticated capability, basic affordability

Auto-test barcoded ampoules enable hands-free program selection and test initiation
60+ pre-programmed powder, tablet, and liquid reagent-based methods
4 LED wavelengths, auto-selected via method
Stores 10 user-created methods
100 data-point memory
Rugged IP-67 (waterproof) construction
Meter and reagents are compliant with many global regulated testing methods for water samples, including U.S. EPA methods.
Compliant with US EPA and other global testing methods for COD in wastewater
Accessory vials, adapters, and zero kit available

View AQUAfast AQ4000 Colorimeter Reagents ›

AQUAfast AQ3170 Colorimeter

Free and total chlorine detection made easy

Meter and chlorine reagents are compliant with many global regulated testing methods, including US EPA testing methods for free and total chlorine measurements of drinking water and wastewater samples
LED light source at 503 nm
Two testing ranges of 0.02 to 2.00 mg/L and 0.1 to 8.0 mg/L (with use of accessory 10 mm short path-length vials)
Up to 5,000 measurements in continuous mode
16-data point memory
CE certified; rugged IP-67 (waterproof) construction
Accessory vials and chlorine standard kits available

View AQUAfast AQ3170 Colorimeter Reagents ›

AQUAfast AQ3140 COD Colorimeter

Exclusive focus on chemical oxygen demand detection

430 nm and 610 nm LED wavelengths
Three CODtesting ranges: 0 to 150 mg/L; 0 to 1500 mg/L; 0 to 15,000 mg/L
Benchtop or hand-held use
Rugged IP-67 (waterproof) construction
Meter and digestion tube reagents are compatible with most global regulated COD testing methods for wastewater samples, including U.S. EPA methods.
Compliant with US EPA and other global testing methods for COD in wastewater
Available Thermoreactor and COD accessories

View AQUAfast AQ3140 Colorimeter Reagents ›

Browse all reagents and accessories available for your colorimeter

AQUAfast Reagents for the AQUAfast 3700 Colorimeter

Chemical species	Method Description	Method	Form Factor	Range	Shop
Alkalinity	-M, Acid/Indicator Method, 100 tests	AC2002	Tablet	5 – 200 mg/L	AQUAfast alkalinity-m reagent tablets
Alkalinity	-P, Acid/Indicator Method, 100 tests	AC3002P	Tablet	5 – 300 mg/L	AQUAfast alkalinity-p reagent tablets
Aluminum	Eriochrome Cyanine R Method, 50 tests	AC2027	Tablet	0.01 – 0.3 mg/L	AQUAfast aluminum reagent tablets*
Aluminum	Eriochrome Cyanine R Method, 100 tests	AC4P27	Powder	0.01 – 0.25 mg/L	AQUAfast aluminum reagent powder packs*
Ammonia as Nitrogen	High Range, Salicylate Method, 50 tubes	ACR011	Reaction Tube	1 – 50 mg/L	AQUAfast ammonia HR Auto-ID ampoules*
	Indophenol Phenate Method, 50 tests	AC2012	Tablet	0.02 – 1 mg/L	AQUAfast ammonia reagent tablets*
	Low Range, Salicylate Method, 50 tubes	ACR012	Reaction Tube	0.02 – 2.5 mg/L	AQUAfast ammonia LR Auto-ID ampoules*
	Salicylate Method, 100 tests	AC4P12	Powder	0.01 – 0.8 mg/L	AQUAfast ammonia reagent powder packs*
Bromine	DPD Method, 100 tests	AC2035	Tablet	0.05 – 13 mg/L	AQUAfast bromine reagent tablets
Chloride	Silver Nitrate/Turbidity Method, 50 tests	AC2017	Tablet	0.5 – 25 mg/L	AQUAfast chloride reagent tablets
Chlorine Dioxide	DPD Method, 100 tests	AC2099	Tablet	0.02 – 11 mg/L	AQUAfast chlorine dioxide reagent tablets*
Chlorine	Free & Total, DPD Method, 100 tests	AC2070	Tablet	0.01 – 6 mg/L	AQUAfast chlorine (free & total) reagent tablets*
	Free, DPD bulk powder dispenser with one vial x 250 tests	AQ250F	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD bulk powder dispenser*
	Free, DPD Method, 100 tests	AC2071	Tablet	0.01 – 6 mg/L	AQUAfast chlorine (free) reagent tablets*
	Free, DPD Method, 100 tests	AC4P71	Powder	0.02 – 2 mg/L	AQUAfast chlorine (free) reagent powder packs*
	Free, DPD powder refill for AQ250F dispenser, 1 vial x 250 tests	AC71P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Free, DPD powder refill for AQ250F dispenser, 2 vials x 250 tests each	AC71P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Total, DPD Method, 100 tests	AC2072	Tablet	0.01 – 6mg /L	AQUAfast chlorine (total) reagent tablets*
	Total, DPD Method, 100 tests	AC4P72	Powder	0.02 – 2 mg/L	AQUAfast chlorine (total) reagent powder packs*
	Total, DPD powder dispenser with one vial x 250 tests	AQ250T	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder dispenser with one vial x 250 count*
	Total, DPD powder refill for AQ250T dispenser, 1 vial x 250 tests	AC72P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder refill for AQ250T dispenser*
	Total, DPD powder refill for AQ250T dispenser, 2 vials x 250 tests each	AC72P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Total, High Range, KI/Acid Method, 100 tests	AC3072	Tablet	5 – 200 mg/L	AQUAfast chlorine (total) HR & sodium chlorate reagent tablets
COD	Low Range, Dichromate Closed Reflux Method, 25 Tests	CODL00	Digestion Tube	0 - 150mg/L	AQUAfast COD 0-150 ppm digestion tubes*
	Low Range, Dichromate Closed Reflux Method, 150 Tests	CODL150	Digestion Tube	0 to 150mg/L O₂	AQUAfast COD 0-150 ppm digestion tubes*
	Mid Range, Dichromate Closed Reflux Method, 25 Tests	CODH00	Digestion Tube	0 - 1,500mg/L	AQUAfast COD 0-1500 ppm digestion tubes*
	Mid Range,Dichromate Closed Reflux Method, 150 Tests	CODM150	Digestion Tube	0 to 1,500mg/L O₂	AQUAfast COD 0-1500 ppm digestion tubes*
	High Range, Dichromate Closed Reflux Method, 25 Tests	CODHP0	Digestion Tube	0 - 15,000mg/L	AQUAfast COD 0-15000 ppm digestion tubes*
	High Range, Dichromate Closed Reflux Method, 150 Tests	CODH150	Digestion Tube	0 to 15,000mg/L O₂	AQUAfast Digestion Tubes, Range: 0 to 15000 mg/L O2, COD High Range*
Copper	Free & Total, Biquinoline, 50 tests	AC2029	Method Tablet L	0.05 - 5mg/	AQUAfast copper (free & total) reagent tablets
Copper	Free, Bicinchoninate, 100 tests	AC4P29	Method Powder	0.05 - 5mg/L	AQUAfast copper (free) reagent powder packs*
Cyanuric Acid	Melamine Method, 100 tests	AC2098	Tablet	0 – 160 mg/L	AQUAfast cyanuric acid reagent tablets
DEHA	PPST Method, 100 tests	AC4P88	Digestion Tubes and Liquid	0.02 – 0.5 mg/L	AQUAfast DEHA reagent powder pack & liquid set
Fluoride	SPADNS Kit Method, 50 tests	AC2009	Liquid	0.05 – 2 mg/L	AQUAfast fluoride SPADNS liquid reagent*
Hardness	Calcium, Low Range, Murexide Method, 100 tests	AC3032C2	Tablet	0 – 500 mg/L	AQUAfast hardness (calcium) LR reagent tablets, Murexide Method
	Calcium, High Range, Murexide Method, 100 tests	AC3032C	Tablet	50 – 900 mg/L	AQUAfast hardness (calcium) HR reagent tablets, Murexide Method
	Total, Metallphthlein Method, 100 tests	AC3032T	Tablet	2 – 50 mg/L	AQUAfast hardness (total) reagent tablets, Metallphthalein Method
Hydrazine	4-(Dimethyl-amino)-Benzaldehyde Method, 30 tests	AC2030	Powder	0.05 - 0.5 mg/L	AQUAfast hydrazine reagent powder kit
Hydrogen Peroxide	DPD/Catalyst Method, 100 tests	AC3069	Tablet	0.03 – 3 mg/L	AQUAfast hydrogen peroxide reagent tablets
Iron	(II & III), PPST Method, 100 tests	AC2078	Tablet	0.02 – 1 mg/L	AQUAfast iron (II & III) reagent tablets
	Ferro, 1,10-Phenanthroline Method, 100 packs	AC4P78	Powder	0.02 – 3 mg/L	AQUAfast iron (ferro) reagent powder packs*
	Total, TPTZ Method, 100 tests	AC4P79	Powder	0.02 - 1.8 mg/L	AQUAfast iron (total) reagent powder packs
Manganese	Formaldoxime Method, 50 tests	AC2055	Tablet	0.2 – 4 mg/L	AQUAfast manganese reagent tablets
	High Range, Periodate Oxidation Method, 100 tests	AC4P55	Powder	0.1 – 18 mg/L	AQUAfast manganese HR reagent powder packs*
	Low Range, PAN Method, 100 tests	AC4P54	Digestion Tubes and Liquid	0.01 – 0.7mg/L	AQUAfast manganese LR reagent powder & liquid set
Molybdate / Molybdenum	Mercaptoacetic Acid Method, 100 tests	AC4P42	Powder	0.5 – 66 mg/L	AQUAfast molybdate reagent powder packs
Nitrate as Nitrogen (N)	Chromotropic Acid Method, 50 tests	ACR007	Reaction Tube	1 – 30 mg/L	AQUAfast nitrate reaction tubes
	Zinc Reduction Method, 50 tests	AC2007	Tablet	0.08 – 1 mg/L	AQUAfast nitrate reagent tablets*
	Diazotization (Azo) Method, 100 tests	AC4P46	Powder	0.01 – 0.3 mg/L	AQUAfast nitrite reagent powder packs*
	N-(1-Naphthyl)-Ethylenediamine Method, 100 tests, 50 tests	AC2046	Tablet	0.01 – 0.5 mg/L	AQUAfast nitrite reagent tablets*
Nitrogen	Total, High Range, Persulfate Digestion Method, 50 tests	ACD007	Digestion Tube	5 – 150 mg/L	AQUAfast total nitrogen HR digestion tubes
Nitrogen	Total, Low Range, Persulfate Digestion Method, 50 pack	ACD004	Digestion Tube	0.5 – 25 mg/L	AQUAfast total nitrogen LR digestion tubes
pH	pH, Bromocresol Purple Method, 100 tests	AC3001BP	Tablet	5.2 – 6.8 pH	AQUAfast ph LR reagent tablets, bromocresol purple
	pH, Phenol Red Method, 100 tests	AC2001	Tablet	6.5 – 8.4 pH	AQUAfast pH reagent tablets
	pH, Phenol Red Method, 30 tests	AC3001	Liquid	6.5 – 8.4 pH	AQUAfast pH liquid dropper reagent
	pH, Thymol Blue Method, 100 tests	AC3001TB	Tablet	8.0 – 9.6 pH	AQUAfast pH HR reagent tablets, thymol blue
Phosphorous as P	Acid Hydrolyzable, Acid Digestion/Ascorbic Acid Method, 50 tests	ACD095AH	Digestion Tube	0.02 – 1.6 mg/L	AQUAfast phosphate (acid hydrolysable) digestion tubes
Phosphorous as P	Total, Persulfate Digestion/Ascorbic Acid Method, 50 tests	ACD095	Digestion Tube	0.02 – 1 mg/L	AQUAfast phosphate (total) digestion tubes*
Phosphate	Ortho,Phosphomolybdenum/Ascorbic Acid Method, 100 tests	AC4P95	Powder	0.06 – 2.5 mg/L	AQUAfast phosphate (ortho) reagent powder packs*
	Ortho, Phosphomolybdenum/ Ascorbic Acid Method, 50 tubes	ACR095	Reaction Tube	0.06 – 5mg/L	AQUAfast phosphate (ortho) reaction tube*
	Ortho, Phosphomolybdic Acid/ Ascorbic Acid Method, 50 tests	AC2095-WA	Tablet	0.05 – 4 mg/L	AQUAfast phosphate (ortho) LR reagent tablets*
	Ortho, Ascorbic Acid/Vanadomolybdate Method, 50 tests	AC2096	Tablet	1 – 80 mg/L	AQUAfast phosphate (ortho) HR reagent tablets*
Potassium	Tetraphenylborate-Turbidity Method, 100 tests	AC3019	Tablet	0.7 – 12 mg/L	AQUAfast potassium reagent tablets
Silica	High Range, Silicomolybdate Method, 100 tests	AC4P60	Powder	1 – 90 mg/L	AQUAfast silica (high range) reagent powder packs*
	Silicomolybdate, Heteropoly Blue Method, 50 tests	AC2060	Tablet	0.05 – 4 mg/L	AQUAfast silica reagent tablets*
	Phosphate Removal for AC2060 Method, 100 tablets	AC2061	Tablet	---	AQUAfast silica phosphate removal reagent
Sodium	Hypochlorite, Potassium Iodide Method, 100 tests	AC3072	Tablet	0.2 – 16% NaOCl	AQUAfast chlorine (total) HR & sodium chlorate reagent tablets
Sulfate	Barium Sulfate/Turbidity Method, 100 tests	AC2082	Tablet	5 – 100 mg/L	AQUAfast sulfate reagent tablets*
Sulfate	Barium Sulfate/Turbidity Method, 100 tests	AC4P82	Powder	5 – 100 mg/L	AQUAfast sulfate reagent powder packs*
Sulfide	DPD/Catalyst Method, 50 tests	AC2016	Tablet	0.04 – 0.5 mg/L	AQUAfast sulfide reagent tablets
Zinc	Zincon Method, 50 tests	AC2065	Tablet	0.02 – 1 mg/L	AQUAfast zinc reagent tablets*

*Compliant with US EPA and other global testing methods for COD in wastewater

Accessories for use with the AQUAfast AQ3700 Colorimeter

Cat. No.	Description
AC2V16	Replacement 16mm vials, 10/pack	Shop
AC2V24	Replacement 24mm vials, 12/pack	Shop
AC3VSK	Verification standard kit, set of 6	Shop
AC3CBR	Vial cleaning brush, 5/pack	Shop
COD165	Digestion methods thermoreactor, pre-set for 100°, 120°, 150°, 160°, and 165°C	Shop
CODS01	COD standard, 1,000ppm, 475mL	Shop
CODS01	COD standard, 1,000ppm, 475mL	Shop

AQUAfast Reagents for the AQUAfast 4000 Colorimeter

Chemical species	Method Description	Method	Form Factor	Range	Shop
Alkalinity	-M, Acid/Indicator Method, 100 tests	AC2002	Tablet	5 – 200 mg/L	AQUAfast alkalinity-m reagent tablets
Aluminum	Eriochrome Cyanine R Method, 50 tests	AC2027	Tablet	0.01 – 0.3 mg/	AQUAfast aluminum reagent tablets*
Ammonia as Nitrogen	High Range, Nesslerization Method, 30 pack	AC4011	Reaction Tube	1 – 14 mg/L	AQUAfast ammonia HR Auto-ID ampoules*
	Indophenol Phenate Method, 50 tests	AC2012	Tablet	0.02 – 1 mg/L	AQUAfast ammonia reagent tablets*
	Low Range, Nessler Method, 30 pack	AC4012	Reaction Tube	0.5 – 7 mg/L	AQUAfast ammonia LR Auto-ID ampoules*
	Salicylate Method, 100 tests	AC4P12	Powder	0.01 – 0.8 mg/L	AQUAfast ammonia reagent powder packs*
	Salicylate Method, 30 pack	AC4010	Ampoule	0.2 – 3 mg/L; 2 – 30 mg/L	AQUAfast ammonia ULR Auto-ID ampoules*
Chloride	Ferricyanide (Ferric Thiocyanate) Method, 30 tests	AC4017	Ampoule	2.5 – 40 mg/L	AQUAfast chloride Auto-ID ampoules*
Chloride	Silver Nitrate/Turbidity Method, 50 tests	AC2017	Tablet	0.5 – 25 mg/L	AQUAfast chloride reagent tablets
Chlorine Dioxide	DPD Method, 30 tests	AC4099	Ampoule	0.8 – 11 mg/L	AQUAfast chlorine dioxide Auto-ID ampoules*
Chlorine	Free & Total, DPD Method, 100 tests	AC2070	Tablet	0.01 – 6 mg/L Cl₂	AQUAfast chlorine (free & total) reagent tablets*
	Free & Total, DPD Method, 30 tests	AC4070	Ampoule	0.4 – 5 mg/L Cl₂	AQUAfast chlorine (free & total) Auto-ID ampoules*
	Free, DPD bulk powder dispenser with one vial x 250 tests	AQ250F	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD bulk powder dispenser*
	Free, DPD Method	AC2071	Tablet	0.01 – 6 mg/L Cl₂	AQUAfast chlorine (free) reagent tablets*
	Free, DPD Method	AC4P71	Powder	0.02 – 2 mg/L Cl₂	AQUAfast chlorine (free) reagent powder packs*
	Free, DPD powder refill for AQ250F dispenser, 1 vial x 250 tests	AC71P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Free, DPD powder refill for AQ250F dispenser, 2 vials x 250 tests each	AC71P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Total, DPD Method, 100 tests	AC2072	Tablet	0.01 – 6mg /L Cl₂	AQUAfast chlorine (total) reagent tablets*
	Total, DPD Method, 100 tests	AC4P72	Powder	0.02 – 2 mg/L Cl₂	AQUAfast chlorine (total) reagent powder packs*
	Total, DPD powder dispenser with one vial x 250 tests	AQ250T	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder dispenser with one vial x 250 count*
	Total, DPD powder refill for AQ250T dispenser, 1 vial x 250 tests	AC72P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder refill for AQ250T dispenser*
	Total, DPD powder refill for AQ250T dispenser, 2 vials x 250 tests each	AC72P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
COD	Low Range, Dichromate closed reflux Method, 25 Tests	CODL00	Digestion Tube	0 – 150mg/L	AQUAfast COD 0-150 ppm digestion tubes*
	Low Range, Dichromate closed reflux Method, 150 Tests	CODL150	Digestion Tube	0 – 150mg/L O₂	AQUAfast COD 0-150 ppm digestion tubes*
	Mid Range, Dichromate closed reflux Method, 25 Tests	CODH00	Digestion Tube	0 – 1,500mg/L	AQUAfast COD 0-1500 ppm digestion tubes*
	Mid Range, Dichromate closed reflux Method, 150 Tests	CODM150	Digestion Tube	0 – 1,500mg/L O₂	AQUAfast COD 0-1500 ppm digestion tubes*
	High Range, Dichromate closed reflux Method, 25 Tests	CODHPO	Digestion Tube	0 – 15,000mg/L O₂	AQUAfast COD 0-15000 ppm digestion tubes*
	High Range, Dichromate closed reflux Method, 150 Tests	CODH150	Digestion Tube	0 – 15,000mg/L O₂	AQUAfast Digestion Tubes, Range: 0 to 15000 mg/L O2, COD High Range*
Copper	Free & Total, Biquinoline, 50 tests	AC2029	Tablet	0.05 – 5mg/L	AQUAfast copper (free & total) reagent tablets
Copper	Free, Bicinchoninate, 100 tests	AC4P29	Powder	0.05 – 5mg/L	AQUAfast copper (free) reagent powder packs*
Cyanide	Isonicotinic-Barbituric Acid Method, 30 tests	AC4006	Ampoule	0.04 – 0.4mg/L	AQUAfast cyanide (free) auto-id ampoules*
Fluoride	SPADNS Kit Method, 50 tests	AC2009	Liquid	0.05 – 2 mg/L	AQUAfast fluoride SPADNS liquid reagent*
Hydrazine	4-(Dimethyl-amino)-Benzaldehyde Method, 30 tests	AC2030	Powder	0.05 – 0.5 mg/L	AQUAfast hydrazine reagent powder kit
Iron	(II & III), PPST Method, 100 tests	AC2078	Tablet	0.02 – 1 mg/L	AQUAfast iron (II & III) reagent tablets
	Ferro, 1,10-Phenanthroline Method, 100 tests	AC4P78	Powder	0.02 – 3 mg/L	AQUAfast iron (ferro) reagent powder packs*
	Total & Soluble, Phenanthroline Method, 30 tests	AC4078	Ampoule	0.2 – 6 mg/L	AQUAfast iron (total & soluble) Auto-ID ampoules*
	Total, TPTZ Method, 100 tests	AC4P79	Powder	0.02 – 1.8 mg/L	AQUAfast iron (total) reagent powder packs
Manganese	Formaldoxime Method, 50 tests	AC2055	Tablet	0.2 – 4 mg/L	AQUAfast manganese reagent tablets
	High Range, Periodate Oxidation Method, 100 tests	AC4P55	Powder	0.1 – 18 mg/L	AQUAfast manganese HR reagent powder packs*
	Periodate Method, 30 tests	AC4055	Ampoule	2 – 30 mg/L	AQUAfast manganese Auto-ID ampoules*
Molybdate / Molybdenum	Mercaptoacetic Acid Method, 100 tests	AC4P42	Powder	0.5 – 66 mg/L	AQUAfast molybdate reagent powder packs
Nitrate as Nitrogen (N)	Cadmium Reduction Method, 30 tests	AC4004	Ampoule	0.2 – 1.5 mg/L	AQUAfast nitrate LR Auto-ID ampoules*
	Cadmium Reduction Method, 30 tests	AC4005	Ampoule	2.0 – 7.50 mg/L	AQUAfast nitrate MR Auto-ID ampoules*
	Zinc Reduction Method, 50 tests	AC2007	Tablet	0.08 – 1 mg/L	AQUAfast nitrate reagent tablets*
	Cadmium Reduction Method, 30 tests	AC4007	Ampoule	5 – 50 mg/L	AQUAfast nitrate HR Auto-ID ampoules*
	Diazotization (NED) Method	AC4P46	Powder	0.01 – 0.3 mg/L	AQUAfast nitrite reagent powder packs*
	Diazotization (NED) Method	AC4046	Tablet	0.08 – 1 mg/L	AQUAfast nitrite Auto-ID ampoules*
	Diazotization (NED) Method	AC2046	Tablet	0.01 – 0.5 mg/L	AQUAfast nitrite reagent tablets*
Ozone	DPD Method, 30 tests	AC4048	Ampoule	0.2 – 5 pH	AQUAfast ozone Auto-ID ampoules
pH	Phenol Red Method, 100 tests	AC2001	Tablet	6.5 – 8.4 pH	AQUAfast pH reagent tablets
Phosphate	Phosphate, Ortho, Phosphomolybdenum/Ascorbic Acid Method, 100 tests	AC4P95	Powder	0.06 – 2.5 mg/L	AQUAfast phosphate (ortho) reagent powder packs*
	Phosphate, Ortho, Phosphomolybdic Acid/Ascorbic Acid Method, 50 tests	AC2095-WA	Tablet	0.05 – 4 mg/L	AQUAfast phosphate (ortho) LR reagent tablets*
	Ortho, Stannous Chloride Method, 30 tests	g	Reaction Tube	0.3 – 8 mg/L	AQUAfast phosphate (ortho) Auto-ID ampoules
	Phosphate, Ortho, Ascorbic Acid/Vanadomolybdate Method, 50 tests	AC2096	Tablet	1 – 80 mg/L	AQUAfast phosphate (ortho) HR reagent tablets*
Silica	Heteropoly Blue Method, 30 tests	AC4060	Ampoule	0.5 – 10 mg/L	AQUAfast silica Auto-ID ampoules*
	Phosphate Removal for AC2060 Method, 100 tests	AC2061	Tablet	----	AQUAfast silica phosphate removal reagent*
	High Range, Silicomolybdate Method, 100 tests	AC4P60	Powder	1 – 90 mg/L	AQUAfast silica (high range) reagent powder packs*
	Silicomolybdate, Heteropoly Blue Method, 50 tests	AC2060	Tablet	0.05 – 4 mg/L	AQUAfast silica reagent tablets*
Sulfate	Barium Sulfate/Turbidity Method, 100 tests	AC2082	Tablet	5 – 100 mg/L	AQUAfast sulfate reagent tablets*
	Barium Sulfate/Turbidity Method, 30 tests	AC4082	Ampoule	8 – 100 mg/L	AQUAfast sulfate Auto-ID ampoules*
	Barium Sulfate/Turbidity Method, 100 tests	AC4P82	Powder	5 – 100 mg/L	AQUAfast sulfate reagent powder packs*
Sulfide	Acid Soluble, Methylene Blue Method, 30 tests	AC4016	Ampoule	0.2 – 3 mg/L	AQUAfast sulfide (Acid Soluble) Auto-ID ampoule*
Sulfide	DPD/Catalyst Method, 50 tests	AC2016	Tablet	0.04 – 0.5 mg/L	AQUAfast sulfide reagent tablets
Zinc	Zinc, Zincon Method, 50 tests	AC2065	Tablet	0.02 – 1 mg/L	AQUAfast zinc reagent tablets*
Zinc	Zinc, Zincon Method, 30 pack	AC4065	Auto-ID Ampoule	0.3 – 3 mg/L	AQUAfast zinc Auto-ID ampoules*

*Compliant with US EPA and other global testing methods for COD in wastewater

Accessories for use with the AQUAfast AQ4000 Colorimeter

Cat. No.	Description
AC2V16	Replacement 16mm vials, 10/pack	Shop
AC2V24	Replacement 24mm vials, 12/pack	Shop
AC3CBR	Vial cleaning brush, 5/pack	Shop
AQ4CBL	RS232 cable for data download and software update	Shop
AQ4ZER	AQUAfast Zero Kit	Shop
COD165	Digestion methods thermoreactor, pre-set for 100°, 120°, 150°, 160°, and 165°C	Shop
CODS01	COD standard, 1000ppm, 475mL	Shop
CODS10	COD standard, 10000ppm, 475mL	Shop
CLSK100	Chlorine primary standard, 1.5mg/L ampoule kit	Shop
AC3ROD	Crush and stir rod for tablets and AC2V24 vials	Shop

AQUAfast Reagents for the AQUAfast 3170 Colorimeter

Chemical species	Method Description	Method	Form Factor	Range	Shop
Chlorine
	Free, DPD Method, 100 tests	AC4P71	Powder	0.02 – 2 mg/L Cl₂; 0.1 – 8 mg/L Cl₂+	AQUAfast chlorine (free) reagent powder packs*
	Free, DPD bulk powder dispenser with one vial x 250 tests	AQ250F	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD bulk powder dispenser*
	Free, DPD powder refill for AQ250F dispenser, 1 vial x 250 tests	AC71P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Free, DPD powder refill for AQ250F dispenser, 2 vials x 250 tests each	AC71P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Total, DPD Method, 100 tests	AC4P72	Powder	0.02 – 2 mg/L Cl₂; 0.1 – 8 mg/L Cl₂+	AQUAfast chlorine (total) reagent powder packs*
	Total, Bluk DPD powder dispenser with one vial x 250 tests	AQ250T	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder dispenser with one vial x 250 count*
	Total, DPD powder refill for AQ250T dispenser, 1 vial x 250 tests	AC72P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder refill for AQ250T dispenser*
	Total, DPD powder refill for AQ250T dispenser, 2 vials x 250 tests each	AC72P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*

† Use AC2V10 short path length plastic vials and two powder packs.

*Compliant with US EPA and other global testing methods for COD in wastewater

Accessories for use with the AQUAfast AQ3170 Colorimeter

Cat. No.	Description
AC2V24	Replacement 24mm vials, 12/pack	Shop
AC2V10	AQUAfast 10mm short path length plastic vials for high-level chlorine, 12/pack	Shop
CLSK100	Chlorine primary standard, 1.5mg/L ampoule kit	Shop
CLSK200	Chlorine secondary standards (0.0, 0.2, and 1mg/L)	Shop
AC3CBR	Vial cleaning brush, 5/pack	Shop

AQUAfast Reagents for the AQUAfast 3140 COD Colorimeter

Chemical species	Method Description	Method	Form Factor	Range	Shop
COD	Low Range, Dichromate Digestion Method, 25 Tests	CODL00	Digestion Tube	0 – 150mg/L	AQUAfast COD 0-150 ppm digestion tubes*
	Low Range, Dichromate Digestion Method, 150 Tests	CODL150	Digestion Tube	0 – 150mg/L O₂	AQUAfast COD 0-150 ppm digestion tubes*
	Mid Range, Dichromate Digestion Method, 25 Tests	CODH00	Digestion Tube	0 – 1,500mg/L	AQUAfast COD 0-1500 ppm digestion tubes*
	Mid Range,Dichromate Digestion Method, 150 Tests	CODM150	Digestion Tube	0 – 1,500mg/L O₂	AQUAfast COD 0-1500 ppm digestion tubes*
	High Range, Dichromate Digestion Method, 25 Tests	CODHP0	Digestion Tube	0 – 15,000mg/L	AQUAfast Digestion Tubes, Range: 0-15000 mg/L O₂ COD High Range*
	High Range, Dichromate Digestion Method, 150 Tests	CODH150	Digestion Tube	0 – 15,000mg/L O₂	AQUAfast Digestion Tubes, Range: 0 to 15000 mg/L O₂, COD High Range*

*Compliant with US EPA and other global testing methods for COD in wastewater

Accessories for use with the AQUAfast AQ3140 COD Colorimeter

Cat. No.	Description
COD165	Digestion methods thermoreactor, pre-set for 100°, 120°, 150°, 160°, and 165°C	Shop
CODS01	COD standard, 1000ppm, 475mL	Shop
CODS10	COD standard, 10000ppm, 475mL	Shop

AQUAfast 3700

AQUAfast Reagents for the AQUAfast 3700 Colorimeter

Chemical species	Method Description	Method	Form Factor	Range	Shop
Alkalinity	-M, Acid/Indicator Method, 100 tests	AC2002	Tablet	5 – 200 mg/L	AQUAfast alkalinity-m reagent tablets
Alkalinity	-P, Acid/Indicator Method, 100 tests	AC3002P	Tablet	5 – 300 mg/L	AQUAfast alkalinity-p reagent tablets
Aluminum	Eriochrome Cyanine R Method, 50 tests	AC2027	Tablet	0.01 – 0.3 mg/L	AQUAfast aluminum reagent tablets*
Aluminum	Eriochrome Cyanine R Method, 100 tests	AC4P27	Powder	0.01 – 0.25 mg/L	AQUAfast aluminum reagent powder packs*
Ammonia as Nitrogen	High Range, Salicylate Method, 50 tubes	ACR011	Reaction Tube	1 – 50 mg/L	AQUAfast ammonia HR Auto-ID ampoules*
	Indophenol Phenate Method, 50 tests	AC2012	Tablet	0.02 – 1 mg/L	AQUAfast ammonia reagent tablets*
	Low Range, Salicylate Method, 50 tubes	ACR012	Reaction Tube	0.02 – 2.5 mg/L	AQUAfast ammonia LR Auto-ID ampoules*
	Salicylate Method, 100 tests	AC4P12	Powder	0.01 – 0.8 mg/L	AQUAfast ammonia reagent powder packs*
Bromine	DPD Method, 100 tests	AC2035	Tablet	0.05 – 13 mg/L	AQUAfast bromine reagent tablets
Chloride	Silver Nitrate/Turbidity Method, 50 tests	AC2017	Tablet	0.5 – 25 mg/L	AQUAfast chloride reagent tablets
Chlorine Dioxide	DPD Method, 100 tests	AC2099	Tablet	0.02 – 11 mg/L	AQUAfast chlorine dioxide reagent tablets*
Chlorine	Free & Total, DPD Method, 100 tests	AC2070	Tablet	0.01 – 6 mg/L	AQUAfast chlorine (free & total) reagent tablets*
	Free, DPD bulk powder dispenser with one vial x 250 tests	AQ250F	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD bulk powder dispenser*
	Free, DPD Method, 100 tests	AC2071	Tablet	0.01 – 6 mg/L	AQUAfast chlorine (free) reagent tablets*
	Free, DPD Method, 100 tests	AC4P71	Powder	0.02 – 2 mg/L	AQUAfast chlorine (free) reagent powder packs*
	Free, DPD powder refill for AQ250F dispenser, 1 vial x 250 tests	AC71P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Free, DPD powder refill for AQ250F dispenser, 2 vials x 250 tests each	AC71P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Total, DPD Method, 100 tests	AC2072	Tablet	0.01 – 6mg /L	AQUAfast chlorine (total) reagent tablets*
	Total, DPD Method, 100 tests	AC4P72	Powder	0.02 – 2 mg/L	AQUAfast chlorine (total) reagent powder packs*
	Total, DPD powder dispenser with one vial x 250 tests	AQ250T	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder dispenser with one vial x 250 count*
	Total, DPD powder refill for AQ250T dispenser, 1 vial x 250 tests	AC72P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder refill for AQ250T dispenser*
	Total, DPD powder refill for AQ250T dispenser, 2 vials x 250 tests each	AC72P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Total, High Range, KI/Acid Method, 100 tests	AC3072	Tablet	5 – 200 mg/L	AQUAfast chlorine (total) HR & sodium chlorate reagent tablets
COD	Low Range, Dichromate Closed Reflux Method, 25 Tests	CODL00	Digestion Tube	0 - 150mg/L	AQUAfast COD 0-150 ppm digestion tubes*
	Low Range, Dichromate Closed Reflux Method, 150 Tests	CODL150	Digestion Tube	0 to 150mg/L O₂	AQUAfast COD 0-150 ppm digestion tubes*
	Mid Range, Dichromate Closed Reflux Method, 25 Tests	CODH00	Digestion Tube	0 - 1,500mg/L	AQUAfast COD 0-1500 ppm digestion tubes*
	Mid Range,Dichromate Closed Reflux Method, 150 Tests	CODM150	Digestion Tube	0 to 1,500mg/L O₂	AQUAfast COD 0-1500 ppm digestion tubes*
	High Range, Dichromate Closed Reflux Method, 25 Tests	CODHP0	Digestion Tube	0 - 15,000mg/L	AQUAfast COD 0-15000 ppm digestion tubes*
	High Range, Dichromate Closed Reflux Method, 150 Tests	CODH150	Digestion Tube	0 to 15,000mg/L O₂	AQUAfast Digestion Tubes, Range: 0 to 15000 mg/L O2, COD High Range*
Copper	Free & Total, Biquinoline, 50 tests	AC2029	Method Tablet L	0.05 - 5mg/	AQUAfast copper (free & total) reagent tablets
Copper	Free, Bicinchoninate, 100 tests	AC4P29	Method Powder	0.05 - 5mg/L	AQUAfast copper (free) reagent powder packs*
Cyanuric Acid	Melamine Method, 100 tests	AC2098	Tablet	0 – 160 mg/L	AQUAfast cyanuric acid reagent tablets
DEHA	PPST Method, 100 tests	AC4P88	Digestion Tubes and Liquid	0.02 – 0.5 mg/L	AQUAfast DEHA reagent powder pack & liquid set
Fluoride	SPADNS Kit Method, 50 tests	AC2009	Liquid	0.05 – 2 mg/L	AQUAfast fluoride SPADNS liquid reagent*
Hardness	Calcium, Low Range, Murexide Method, 100 tests	AC3032C2	Tablet	0 – 500 mg/L	AQUAfast hardness (calcium) LR reagent tablets, Murexide Method
	Calcium, High Range, Murexide Method, 100 tests	AC3032C	Tablet	50 – 900 mg/L	AQUAfast hardness (calcium) HR reagent tablets, Murexide Method
	Total, Metallphthlein Method, 100 tests	AC3032T	Tablet	2 – 50 mg/L	AQUAfast hardness (total) reagent tablets, Metallphthalein Method
Hydrazine	4-(Dimethyl-amino)-Benzaldehyde Method, 30 tests	AC2030	Powder	0.05 - 0.5 mg/L	AQUAfast hydrazine reagent powder kit
Hydrogen Peroxide	DPD/Catalyst Method, 100 tests	AC3069	Tablet	0.03 – 3 mg/L	AQUAfast hydrogen peroxide reagent tablets
Iron	(II & III), PPST Method, 100 tests	AC2078	Tablet	0.02 – 1 mg/L	AQUAfast iron (II & III) reagent tablets
	Ferro, 1,10-Phenanthroline Method, 100 packs	AC4P78	Powder	0.02 – 3 mg/L	AQUAfast iron (ferro) reagent powder packs*
	Total, TPTZ Method, 100 tests	AC4P79	Powder	0.02 - 1.8 mg/L	AQUAfast iron (total) reagent powder packs
Manganese	Formaldoxime Method, 50 tests	AC2055	Tablet	0.2 – 4 mg/L	AQUAfast manganese reagent tablets
	High Range, Periodate Oxidation Method, 100 tests	AC4P55	Powder	0.1 – 18 mg/L	AQUAfast manganese HR reagent powder packs*
	Low Range, PAN Method, 100 tests	AC4P54	Digestion Tubes and Liquid	0.01 – 0.7mg/L	AQUAfast manganese LR reagent powder & liquid set
Molybdate / Molybdenum	Mercaptoacetic Acid Method, 100 tests	AC4P42	Powder	0.5 – 66 mg/L	AQUAfast molybdate reagent powder packs
Nitrate as Nitrogen (N)	Chromotropic Acid Method, 50 tests	ACR007	Reaction Tube	1 – 30 mg/L	AQUAfast nitrate reaction tubes
	Zinc Reduction Method, 50 tests	AC2007	Tablet	0.08 – 1 mg/L	AQUAfast nitrate reagent tablets*
	Diazotization (Azo) Method, 100 tests	AC4P46	Powder	0.01 – 0.3 mg/L	AQUAfast nitrite reagent powder packs*
	N-(1-Naphthyl)-Ethylenediamine Method, 100 tests, 50 tests	AC2046	Tablet	0.01 – 0.5 mg/L	AQUAfast nitrite reagent tablets*
Nitrogen	Total, High Range, Persulfate Digestion Method, 50 tests	ACD007	Digestion Tube	5 – 150 mg/L	AQUAfast total nitrogen HR digestion tubes
Nitrogen	Total, Low Range, Persulfate Digestion Method, 50 pack	ACD004	Digestion Tube	0.5 – 25 mg/L	AQUAfast total nitrogen LR digestion tubes
pH	pH, Bromocresol Purple Method, 100 tests	AC3001BP	Tablet	5.2 – 6.8 pH	AQUAfast ph LR reagent tablets, bromocresol purple
	pH, Phenol Red Method, 100 tests	AC2001	Tablet	6.5 – 8.4 pH	AQUAfast pH reagent tablets
	pH, Phenol Red Method, 30 tests	AC3001	Liquid	6.5 – 8.4 pH	AQUAfast pH liquid dropper reagent
	pH, Thymol Blue Method, 100 tests	AC3001TB	Tablet	8.0 – 9.6 pH	AQUAfast pH HR reagent tablets, thymol blue
Phosphorous as P	Acid Hydrolyzable, Acid Digestion/Ascorbic Acid Method, 50 tests	ACD095AH	Digestion Tube	0.02 – 1.6 mg/L	AQUAfast phosphate (acid hydrolysable) digestion tubes
Phosphorous as P	Total, Persulfate Digestion/Ascorbic Acid Method, 50 tests	ACD095	Digestion Tube	0.02 – 1 mg/L	AQUAfast phosphate (total) digestion tubes*
Phosphate	Ortho,Phosphomolybdenum/Ascorbic Acid Method, 100 tests	AC4P95	Powder	0.06 – 2.5 mg/L	AQUAfast phosphate (ortho) reagent powder packs*
	Ortho, Phosphomolybdenum/ Ascorbic Acid Method, 50 tubes	ACR095	Reaction Tube	0.06 – 5mg/L	AQUAfast phosphate (ortho) reaction tube*
	Ortho, Phosphomolybdic Acid/ Ascorbic Acid Method, 50 tests	AC2095-WA	Tablet	0.05 – 4 mg/L	AQUAfast phosphate (ortho) LR reagent tablets*
	Ortho, Ascorbic Acid/Vanadomolybdate Method, 50 tests	AC2096	Tablet	1 – 80 mg/L	AQUAfast phosphate (ortho) HR reagent tablets*
Potassium	Tetraphenylborate-Turbidity Method, 100 tests	AC3019	Tablet	0.7 – 12 mg/L	AQUAfast potassium reagent tablets
Silica	High Range, Silicomolybdate Method, 100 tests	AC4P60	Powder	1 – 90 mg/L	AQUAfast silica (high range) reagent powder packs*
	Silicomolybdate, Heteropoly Blue Method, 50 tests	AC2060	Tablet	0.05 – 4 mg/L	AQUAfast silica reagent tablets*
	Phosphate Removal for AC2060 Method, 100 tablets	AC2061	Tablet	---	AQUAfast silica phosphate removal reagent
Sodium	Hypochlorite, Potassium Iodide Method, 100 tests	AC3072	Tablet	0.2 – 16% NaOCl	AQUAfast chlorine (total) HR & sodium chlorate reagent tablets
Sulfate	Barium Sulfate/Turbidity Method, 100 tests	AC2082	Tablet	5 – 100 mg/L	AQUAfast sulfate reagent tablets*
Sulfate	Barium Sulfate/Turbidity Method, 100 tests	AC4P82	Powder	5 – 100 mg/L	AQUAfast sulfate reagent powder packs*
Sulfide	DPD/Catalyst Method, 50 tests	AC2016	Tablet	0.04 – 0.5 mg/L	AQUAfast sulfide reagent tablets
Zinc	Zincon Method, 50 tests	AC2065	Tablet	0.02 – 1 mg/L	AQUAfast zinc reagent tablets*

*Compliant with US EPA and other global testing methods for COD in wastewater

Accessories for use with the AQUAfast AQ3700 Colorimeter

Cat. No.	Description
AC2V16	Replacement 16mm vials, 10/pack	Shop
AC2V24	Replacement 24mm vials, 12/pack	Shop
AC3VSK	Verification standard kit, set of 6	Shop
AC3CBR	Vial cleaning brush, 5/pack	Shop
COD165	Digestion methods thermoreactor, pre-set for 100°, 120°, 150°, 160°, and 165°C	Shop
CODS01	COD standard, 1,000ppm, 475mL	Shop
CODS01	COD standard, 1,000ppm, 475mL	Shop

AQUAfast 4000

AQUAfast Reagents for the AQUAfast 4000 Colorimeter

Chemical species	Method Description	Method	Form Factor	Range	Shop
Alkalinity	-M, Acid/Indicator Method, 100 tests	AC2002	Tablet	5 – 200 mg/L	AQUAfast alkalinity-m reagent tablets
Aluminum	Eriochrome Cyanine R Method, 50 tests	AC2027	Tablet	0.01 – 0.3 mg/	AQUAfast aluminum reagent tablets*
Ammonia as Nitrogen	High Range, Nesslerization Method, 30 pack	AC4011	Reaction Tube	1 – 14 mg/L	AQUAfast ammonia HR Auto-ID ampoules*
	Indophenol Phenate Method, 50 tests	AC2012	Tablet	0.02 – 1 mg/L	AQUAfast ammonia reagent tablets*
	Low Range, Nessler Method, 30 pack	AC4012	Reaction Tube	0.5 – 7 mg/L	AQUAfast ammonia LR Auto-ID ampoules*
	Salicylate Method, 100 tests	AC4P12	Powder	0.01 – 0.8 mg/L	AQUAfast ammonia reagent powder packs*
	Salicylate Method, 30 pack	AC4010	Ampoule	0.2 – 3 mg/L; 2 – 30 mg/L	AQUAfast ammonia ULR Auto-ID ampoules*
Chloride	Ferricyanide (Ferric Thiocyanate) Method, 30 tests	AC4017	Ampoule	2.5 – 40 mg/L	AQUAfast chloride Auto-ID ampoules*
Chloride	Silver Nitrate/Turbidity Method, 50 tests	AC2017	Tablet	0.5 – 25 mg/L	AQUAfast chloride reagent tablets
Chlorine Dioxide	DPD Method, 30 tests	AC4099	Ampoule	0.8 – 11 mg/L	AQUAfast chlorine dioxide Auto-ID ampoules*
Chlorine	Free & Total, DPD Method, 100 tests	AC2070	Tablet	0.01 – 6 mg/L Cl₂	AQUAfast chlorine (free & total) reagent tablets*
	Free & Total, DPD Method, 30 tests	AC4070	Ampoule	0.4 – 5 mg/L Cl₂	AQUAfast chlorine (free & total) Auto-ID ampoules*
	Free, DPD bulk powder dispenser with one vial x 250 tests	AQ250F	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD bulk powder dispenser*
	Free, DPD Method	AC2071	Tablet	0.01 – 6 mg/L Cl₂	AQUAfast chlorine (free) reagent tablets*
	Free, DPD Method	AC4P71	Powder	0.02 – 2 mg/L Cl₂	AQUAfast chlorine (free) reagent powder packs*
	Free, DPD powder refill for AQ250F dispenser, 1 vial x 250 tests	AC71P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Free, DPD powder refill for AQ250F dispenser, 2 vials x 250 tests each	AC71P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Total, DPD Method, 100 tests	AC2072	Tablet	0.01 – 6mg /L Cl₂	AQUAfast chlorine (total) reagent tablets*
	Total, DPD Method, 100 tests	AC4P72	Powder	0.02 – 2 mg/L Cl₂	AQUAfast chlorine (total) reagent powder packs*
	Total, DPD powder dispenser with one vial x 250 tests	AQ250T	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder dispenser with one vial x 250 count*
	Total, DPD powder refill for AQ250T dispenser, 1 vial x 250 tests	AC72P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder refill for AQ250T dispenser*
	Total, DPD powder refill for AQ250T dispenser, 2 vials x 250 tests each	AC72P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
COD	Low Range, Dichromate closed reflux Method, 25 Tests	CODL00	Digestion Tube	0 – 150mg/L	AQUAfast COD 0-150 ppm digestion tubes*
	Low Range, Dichromate closed reflux Method, 150 Tests	CODL150	Digestion Tube	0 – 150mg/L O₂	AQUAfast COD 0-150 ppm digestion tubes*
	Mid Range, Dichromate closed reflux Method, 25 Tests	CODH00	Digestion Tube	0 – 1,500mg/L	AQUAfast COD 0-1500 ppm digestion tubes*
	Mid Range, Dichromate closed reflux Method, 150 Tests	CODM150	Digestion Tube	0 – 1,500mg/L O₂	AQUAfast COD 0-1500 ppm digestion tubes*
	High Range, Dichromate closed reflux Method, 25 Tests	CODHPO	Digestion Tube	0 – 15,000mg/L O₂	AQUAfast COD 0-15000 ppm digestion tubes*
	High Range, Dichromate closed reflux Method, 150 Tests	CODH150	Digestion Tube	0 – 15,000mg/L O₂	AQUAfast Digestion Tubes, Range: 0 to 15000 mg/L O2, COD High Range*
Copper	Free & Total, Biquinoline, 50 tests	AC2029	Tablet	0.05 – 5mg/L	AQUAfast copper (free & total) reagent tablets
Copper	Free, Bicinchoninate, 100 tests	AC4P29	Powder	0.05 – 5mg/L	AQUAfast copper (free) reagent powder packs*
Cyanide	Isonicotinic-Barbituric Acid Method, 30 tests	AC4006	Ampoule	0.04 – 0.4mg/L	AQUAfast cyanide (free) auto-id ampoules*
Fluoride	SPADNS Kit Method, 50 tests	AC2009	Liquid	0.05 – 2 mg/L	AQUAfast fluoride SPADNS liquid reagent*
Hydrazine	4-(Dimethyl-amino)-Benzaldehyde Method, 30 tests	AC2030	Powder	0.05 – 0.5 mg/L	AQUAfast hydrazine reagent powder kit
Iron	(II & III), PPST Method, 100 tests	AC2078	Tablet	0.02 – 1 mg/L	AQUAfast iron (II & III) reagent tablets
	Ferro, 1,10-Phenanthroline Method, 100 tests	AC4P78	Powder	0.02 – 3 mg/L	AQUAfast iron (ferro) reagent powder packs*
	Total & Soluble, Phenanthroline Method, 30 tests	AC4078	Ampoule	0.2 – 6 mg/L	AQUAfast iron (total & soluble) Auto-ID ampoules*
	Total, TPTZ Method, 100 tests	AC4P79	Powder	0.02 – 1.8 mg/L	AQUAfast iron (total) reagent powder packs
Manganese	Formaldoxime Method, 50 tests	AC2055	Tablet	0.2 – 4 mg/L	AQUAfast manganese reagent tablets
	High Range, Periodate Oxidation Method, 100 tests	AC4P55	Powder	0.1 – 18 mg/L	AQUAfast manganese HR reagent powder packs*
	Periodate Method, 30 tests	AC4055	Ampoule	2 – 30 mg/L	AQUAfast manganese Auto-ID ampoules*
Molybdate / Molybdenum	Mercaptoacetic Acid Method, 100 tests	AC4P42	Powder	0.5 – 66 mg/L	AQUAfast molybdate reagent powder packs
Nitrate as Nitrogen (N)	Cadmium Reduction Method, 30 tests	AC4004	Ampoule	0.2 – 1.5 mg/L	AQUAfast nitrate LR Auto-ID ampoules*
	Cadmium Reduction Method, 30 tests	AC4005	Ampoule	2.0 – 7.50 mg/L	AQUAfast nitrate MR Auto-ID ampoules*
	Zinc Reduction Method, 50 tests	AC2007	Tablet	0.08 – 1 mg/L	AQUAfast nitrate reagent tablets*
	Cadmium Reduction Method, 30 tests	AC4007	Ampoule	5 – 50 mg/L	AQUAfast nitrate HR Auto-ID ampoules*
	Diazotization (NED) Method	AC4P46	Powder	0.01 – 0.3 mg/L	AQUAfast nitrite reagent powder packs*
	Diazotization (NED) Method	AC4046	Tablet	0.08 – 1 mg/L	AQUAfast nitrite Auto-ID ampoules*
	Diazotization (NED) Method	AC2046	Tablet	0.01 – 0.5 mg/L	AQUAfast nitrite reagent tablets*
Ozone	DPD Method, 30 tests	AC4048	Ampoule	0.2 – 5 pH	AQUAfast ozone Auto-ID ampoules
pH	Phenol Red Method, 100 tests	AC2001	Tablet	6.5 – 8.4 pH	AQUAfast pH reagent tablets
Phosphate	Phosphate, Ortho, Phosphomolybdenum/Ascorbic Acid Method, 100 tests	AC4P95	Powder	0.06 – 2.5 mg/L	AQUAfast phosphate (ortho) reagent powder packs*
	Phosphate, Ortho, Phosphomolybdic Acid/Ascorbic Acid Method, 50 tests	AC2095-WA	Tablet	0.05 – 4 mg/L	AQUAfast phosphate (ortho) LR reagent tablets*
	Ortho, Stannous Chloride Method, 30 tests	g	Reaction Tube	0.3 – 8 mg/L	AQUAfast phosphate (ortho) Auto-ID ampoules
	Phosphate, Ortho, Ascorbic Acid/Vanadomolybdate Method, 50 tests	AC2096	Tablet	1 – 80 mg/L	AQUAfast phosphate (ortho) HR reagent tablets*
Silica	Heteropoly Blue Method, 30 tests	AC4060	Ampoule	0.5 – 10 mg/L	AQUAfast silica Auto-ID ampoules*
	Phosphate Removal for AC2060 Method, 100 tests	AC2061	Tablet	----	AQUAfast silica phosphate removal reagent*
	High Range, Silicomolybdate Method, 100 tests	AC4P60	Powder	1 – 90 mg/L	AQUAfast silica (high range) reagent powder packs*
	Silicomolybdate, Heteropoly Blue Method, 50 tests	AC2060	Tablet	0.05 – 4 mg/L	AQUAfast silica reagent tablets*
Sulfate	Barium Sulfate/Turbidity Method, 100 tests	AC2082	Tablet	5 – 100 mg/L	AQUAfast sulfate reagent tablets*
	Barium Sulfate/Turbidity Method, 30 tests	AC4082	Ampoule	8 – 100 mg/L	AQUAfast sulfate Auto-ID ampoules*
	Barium Sulfate/Turbidity Method, 100 tests	AC4P82	Powder	5 – 100 mg/L	AQUAfast sulfate reagent powder packs*
Sulfide	Acid Soluble, Methylene Blue Method, 30 tests	AC4016	Ampoule	0.2 – 3 mg/L	AQUAfast sulfide (Acid Soluble) Auto-ID ampoule*
Sulfide	DPD/Catalyst Method, 50 tests	AC2016	Tablet	0.04 – 0.5 mg/L	AQUAfast sulfide reagent tablets
Zinc	Zinc, Zincon Method, 50 tests	AC2065	Tablet	0.02 – 1 mg/L	AQUAfast zinc reagent tablets*
Zinc	Zinc, Zincon Method, 30 pack	AC4065	Auto-ID Ampoule	0.3 – 3 mg/L	AQUAfast zinc Auto-ID ampoules*

*Compliant with US EPA and other global testing methods for COD in wastewater

Accessories for use with the AQUAfast AQ4000 Colorimeter

Cat. No.	Description
AC2V16	Replacement 16mm vials, 10/pack	Shop
AC2V24	Replacement 24mm vials, 12/pack	Shop
AC3CBR	Vial cleaning brush, 5/pack	Shop
AQ4CBL	RS232 cable for data download and software update	Shop
AQ4ZER	AQUAfast Zero Kit	Shop
COD165	Digestion methods thermoreactor, pre-set for 100°, 120°, 150°, 160°, and 165°C	Shop
CODS01	COD standard, 1000ppm, 475mL	Shop
CODS10	COD standard, 10000ppm, 475mL	Shop
CLSK100	Chlorine primary standard, 1.5mg/L ampoule kit	Shop
AC3ROD	Crush and stir rod for tablets and AC2V24 vials	Shop

AQUAfast 3170

AQUAfast Reagents for the AQUAfast 3170 Colorimeter

Chemical species	Method Description	Method	Form Factor	Range	Shop
Chlorine
	Free, DPD Method, 100 tests	AC4P71	Powder	0.02 – 2 mg/L Cl₂; 0.1 – 8 mg/L Cl₂+	AQUAfast chlorine (free) reagent powder packs*
	Free, DPD bulk powder dispenser with one vial x 250 tests	AQ250F	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD bulk powder dispenser*
	Free, DPD powder refill for AQ250F dispenser, 1 vial x 250 tests	AC71P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Free, DPD powder refill for AQ250F dispenser, 2 vials x 250 tests each	AC71P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*
	Total, DPD Method, 100 tests	AC4P72	Powder	0.02 – 2 mg/L Cl₂; 0.1 – 8 mg/L Cl₂+	AQUAfast chlorine (total) reagent powder packs*
	Total, Bluk DPD powder dispenser with one vial x 250 tests	AQ250T	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder dispenser with one vial x 250 count*
	Total, DPD powder refill for AQ250T dispenser, 1 vial x 250 tests	AC72P1	Powder	0.02 – 2 mg/L Cl₂	AQUAfast total chlorine DPD powder refill for AQ250T dispenser*
	Total, DPD powder refill for AQ250T dispenser, 2 vials x 250 tests each	AC72P2	Powder	0.02 – 2 mg/L Cl₂	AQUAfast free chlorine DPD powder refill for AQ250F dispenser*

† Use AC2V10 short path length plastic vials and two powder packs.

*Compliant with US EPA and other global testing methods for COD in wastewater

Accessories for use with the AQUAfast AQ3170 Colorimeter

Cat. No.	Description
AC2V24	Replacement 24mm vials, 12/pack	Shop
AC2V10	AQUAfast 10mm short path length plastic vials for high-level chlorine, 12/pack	Shop
CLSK100	Chlorine primary standard, 1.5mg/L ampoule kit	Shop
CLSK200	Chlorine secondary standards (0.0, 0.2, and 1mg/L)	Shop
AC3CBR	Vial cleaning brush, 5/pack	Shop

AQUAfast 3140

AQUAfast Reagents for the AQUAfast 3140 COD Colorimeter

Chemical species	Method Description	Method	Form Factor	Range	Shop
COD	Low Range, Dichromate Digestion Method, 25 Tests	CODL00	Digestion Tube	0 – 150mg/L	AQUAfast COD 0-150 ppm digestion tubes*
	Low Range, Dichromate Digestion Method, 150 Tests	CODL150	Digestion Tube	0 – 150mg/L O₂	AQUAfast COD 0-150 ppm digestion tubes*
	Mid Range, Dichromate Digestion Method, 25 Tests	CODH00	Digestion Tube	0 – 1,500mg/L	AQUAfast COD 0-1500 ppm digestion tubes*
	Mid Range,Dichromate Digestion Method, 150 Tests	CODM150	Digestion Tube	0 – 1,500mg/L O₂	AQUAfast COD 0-1500 ppm digestion tubes*
	High Range, Dichromate Digestion Method, 25 Tests	CODHP0	Digestion Tube	0 – 15,000mg/L	AQUAfast Digestion Tubes, Range: 0-15000 mg/L O₂ COD High Range*
	High Range, Dichromate Digestion Method, 150 Tests	CODH150	Digestion Tube	0 – 15,000mg/L O₂	AQUAfast Digestion Tubes, Range: 0 to 15000 mg/L O₂, COD High Range*

*Compliant with US EPA and other global testing methods for COD in wastewater

Accessories for use with the AQUAfast AQ3140 COD Colorimeter

Cat. No.	Description
COD165	Digestion methods thermoreactor, pre-set for 100°, 120°, 150°, 160°, and 165°C	Shop
CODS01	COD standard, 1000ppm, 475mL	Shop
CODS10	COD standard, 10000ppm, 475mL	Shop

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AQUAfast Reagents for the AQUAfast 3170 Colorimeter

Accessories for use with the AQUAfast AQ3170 Colorimeter

AQUAfast Reagents for the AQUAfast 3140 COD Colorimeter

Accessories for use with the AQUAfast AQ3140 COD Colorimeter

AQUAfast Reagents for the AQUAfast 3700 Colorimeter

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Accessories for use with the AQUAfast AQ4000 Colorimeter

AQUAfast Reagents for the AQUAfast 3170 Colorimeter

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AQUAfast Reagents for the AQUAfast 3140 COD Colorimeter

Accessories for use with the AQUAfast AQ3140 COD Colorimeter

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