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!

Extractant for Nitrate Nitrogen determination in soils.

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

Use for cadmium reduction column for Nitrate determination.

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

For determination of Chiorine Dioxide by the DPD Glycine method, using AccuVac® Ampules. USEPA accepted for reporting for drinking water analysis using Hach Method 10126. Range: 0.04 - 5.00 mg/L ClO₂ Reagent set includes DPD Free Chlorine AccuVac Ampules and Glycine…

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…

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

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…

Cobalt/Nickel Reagent Set, Includes: EDTA Reagent Powder Pillows, Phthalate-Phosphate Reagent Powder Pillows, and PAN Indicator Solution (0.3%) Method 8150 using PAN Indicator Sample: 10 mL Range: up to 1.00 mL 100/test

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

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

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

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

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

Replacement Reagent Set, CEL Advanced Drinking Water Laboratories (Part Nos. 2688100 and 251235).

CDTA Disodium Maganisium Salt (Cyclohexanediaminetetraacetic acid, disodium magnesium salt) Trihydrate Analytical Grade CAS No. 63451-33-2 C6H10N2 (CH2COO)4Na2Mg•3H2O FW = 466.64 Powder, 100/g

For determination of Chiorine Dioxide by the DPD Glycine method. USEPA accepted for reporting for drinking water analysis using Hach Method 10126. Range: 0.04 - 5.00 mg/L ClO₂ Sample Size: 10 mL Reagent set includes DPD Free Chlorine Reagent Powder Pillows and Glycine…

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

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

Full set of replacement reagents for Basic Drinking Water CEL Laboratories (Part Nos. 2688000 and 251234).

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

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

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

For determination of copper by the Porphyrin Method.  Hach Method 8143.  Range: 2 - 210 μg/L   Sample Size: 25 mL.  Reagent Set includes: Copper Masking Reagent Powder Pillows, Porphyrin 1 and 2 Reagent Powder Pillows for 100 tests.

The Calcium Separation Set is required when conducting TNTplus tests for Cadmium (TNT852) in sample matrices that contain calcium or magnesium in excess of 50 mg/L. Use of this set is in addition to digestion (using TNT890) when measuring total Cadmium. Easy and safe handling: The…

Copper Reagent, CuVer® 2 Sample Size: 25 mL For copper in the presence of high levels of aluminum, calcium, and iron. Calibrations for CuVer® 1 may be used. pk/100 Powder Pillows

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

Replacement Reagent Set for CEL Advanced Portable Laboratories (Part Nos. 2688500 and 251239).