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!

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

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…

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

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

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

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…

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

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

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…

Use for cadmium reduction column for Nitrate determination.

For hexavalent chromium determination by the Diphenylcarbohydrazide Method. USEPA accepted for reporting for wastewater analyses using (Hach Method 8023). Range: up to 0.70 mg/L Cr. Sample Size: 25 mL Method Name: 1,5-Diphenylcarbohydrazide Platform: Powder Pillows

For Silica Analysis Reagent for use in the silicomolybdate method (Hach method 8185) for the determination of high range silica (0-100.0 mg/L SiO2)

Chloride 2 Indicator Powder Pillows for argentometric method For test kit

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…

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

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

CAS No. 108-94-1 For zinc test C6H10O FW = 98.15 Assay: 99.5% Bottle/100 mL

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

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…

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

Buffer, Citrate Method: Cold Periodate Sample: 25 mL pk/100 Powder Pillows

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

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

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

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

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

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…

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

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

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…

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