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!

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…

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…

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

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…

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

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

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

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

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

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

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

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

Chloride 2 Indicator Powder Pillows for argentometric method For test kit

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)

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 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

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

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

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

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

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

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

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

[1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid] Analytical Grade CAS No. 3147-14-6 Indicator for calcium and magnesium C17H14N2O5S•H2O FW = 376.37

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

For determination of hexavalent chromium by the Diphenylcarbohydrazide method. USEPA accepted for reporting for wastewater analyses using (Hach Method 8023), Diphenylcarbohydrazide Method. Photometric Sample Size: 10 mL Photometric Range: up to 0.70 mg/L Kit Sample Size: 5 mL Kit…