DPD Method, Free Chlorine Reagent Powder Pillows Pack of 100 USEPA accepted for reporting drinking water analysis using Hach Method 8021 Sample Size: 10 mL Range: up to 2.00 mg/L For best results use with a Hach colorimeter or spectrophotometer. Backed by over 20 years of DPD experience!

3241D93: Chlorine (Total) Reagent Set for CN-21P Test Kit For determination of Chlorine (Total) by thiosulfate drop-count titration. Replacement reagent set for CN-21P Test Kit. Set includes Sulfamic Acid Powder Pillows, Potassium Iodide Powder Pillows and Sodium Thiosulfate Standard Solution…

Contains mercury. Dispose of according to local, state and federal regulations. For determination of Chemical Oxygen Demand (COD) by the Reactor Digestion Method, using TNTplus™ vials. Hach Method 10211. Range: 1-60 mg/L COD. Reduce Errors with Bar-coded Vials and RFID A unique…

C997K17 Free Chlorine Buffer Solution. Use with Chlorine Indicator Solution (2314011) and DPD Compound (2297255) for testing Free Chlorine using the Rapid Liquid method, the CL17 Process Analyzer or bulk analytical methods. C997K18 Free Chlorine Indicator Solution. Use with…

Chlorine (Total) Reagent Set includes: Dissolved Oxygen 3 Powder Pillows, Potassium Iodide Powder Pillows, Starch Indicator Solution, Sodium Thiosulfate Standard Solution Cartridge Method: Iodometric Range as CI2 (2.0 N titrant) 100/test

Turbidimetric Method for determining cyanuric acid in pools and spas Cyanuric acid used as a stabilizing agent for chlorine

Quality, Reliability Hach Total Chlorine Reagent Set (DPD Indicator, Total Chlorine Indicator and Buffer Solutions) is specifically designed and produced to work with Hach CL17 Analyzers. Simple, Predictable Maintenance The CL17 is designed to require replacement of reagents on a…

Cyanide Reagent Set Includes: CyaniVer® 3, 4, and 5 Reagent Powder Pillows Method: Pyridine-Pyrazolone Range: up to 0.240 mg/L Sample: 25 mL 100/test

Reagent Set includes: Diphenylcarbazone Reagent Powder Pillows, Mercuric Nitrate Titration Cartridge, 0.2256 N and Mercuric Nitrate Titration Cartridge, 2.256 N Used in Digital Titrator Kit Mercury nitrate Method 10 – 8,000 mg/l Approximately 100 Tests

For direct use in calcium titrations Formula: N/A Formula Weight: N/A CAS Number: 3451-35-4 Synonym(s): Hydroxy Naphthol Blue

Use for cadmium reduction column for Nitrate determination.

Description: DPD Rapid Liquid, 0.02 to 2.00 mg/L

Calmagite method for measuring calcium and magnesium hardness (0-4.00 mg/L as CaCO3) colorimetrically (on a Hach spectrophotometer) Reagent set contains: Alkali Solution, Calcium/Magnesium Indicator Solution, EDTA Solution, EGTA Solution Method: Calcium and Magnesium; Calmagite…

Method: Pyridine-Pyrazalone, 8027 Range: 0.002 to 0.240 mg/L

Reagent set for the digital titrator with EDTA method (Hach method 8204) to determine calcium hardness CalVer/EDTA Method Contains: CalVer® 2 Indicator Powder Pillows, Potassium Hydroxide Solution (8 N), EDTA Titrant Cartridge 100 tests

For use in the heteropoly blue method (Hach method 8282) for the determination of ultra low range silica (0-1000 ug/L SiO2)

Copper Reagent, CuVer® 1 For copper (0 - 3.0 mg/L Cu) Powder Pillows

For copper determination by the bicinchoninate method. Copper Reagent, CuVer® 1 Method: Bicinchoninate USEPA accepted for wastewater reporting using Hach Method 8506 Range: up to 5.00 mg/L Sample: 10 mL pk/100 Powder Pillows

Copper Reagent, CuVer® 2 Method: Bicinchoninate Range: up to 5.00 mg/L USEPA approved for reporting wastewater analysis using Hach Method 8506 Ampules contain the precise amount of reagent for a single test and can be used as a measurement cuvette. 25/test

For determination of ultra-low range silica by the Heteropoly Blue method (Hach Method 8282). Range: 3-1000 µg/L SiO2 100 mL bottle

Chloride Reagent Set includes: Chloride 2 Indicator Powder Pillows, titrant Range: 0 - 400 mg/L as CI 0.0493 N titrant 100/test

For CIO2 determination

Citric Acid/Surfactant Reagent for S5000 Silica (2.9 L)

Copper Reagent Set Includes: Copper Masking Reagent Powder Pillows, Porphyrin 1 Reagent Powder Pillows, Porphyrin 2 Reagent Powder Pillows Method: Porphyrin Range: up to 210 µg/L Sample Size: 10 mg/L 100/test

Chromium, Total, Reagent Set Includes: Acid Reagent Powder Pillows, ChromaVer® 3 Chromium Reagent Powder Pillows, Chromium 1 Reagent Powder Pillow, Chromium 2 Reagent Powder Pillows Method: Alkaline Hypobromite Oxidation Sample: 25 mL 100/test

Ceric Standard Cartridge for Digital Titrator Digits x 0.105 - g/L H2O2 in 0.1 mL, Digits x 0.000625 = meq 0.500 N

Carbon Dioxide Reagent Set (Digital Titrator Method) includes: Phenolphthalein Pillows and two Cartridges Cartridges: 0.3636 N and 3.3636 N Range: 10 - 1000 mgL as CO2 100/test

Chromate Reagent Set includes: Dissolved Oxygen 3 Reagent Powder Pillows, Potassium Iodide Powder Pillows, Sodium Thiosulfate Cartridge (0.2068 N), Starch Indicator Solution Digital Titrator Method Range: 20 - 400 mg/L as CrO4 100/test

Cobalt/Nickel Reagent Set includes: EDTA Reagent Powder Pillows, Phthalate-Phosphate Reagent Powder Pillows, PAN Indicator Solution (0.3%) PAN Method, 0 - 2 mg/L Sample Size: 25 mL 100/test

(Bicinchoninate) For free copper determination in salt and fresh water Sample Size: 25 mL pk/100 Powder Pillows