Chlorine, Free USEPA accepted for reporting for drinking water analysis using Hach Method 8021, DPD Method Range: 0 - 2.0 mg/L Sample Size: 10 mL,25mL,5mL pk/300 Powder Pillows

Analytical Grade, CAS No. 7411-49-6 C12H14N4·...4HCl, FW = 360.14. Suitability as selenium indicator: Passes test Selenium blank: ≤0.0025%

DithiVer Metals Reagent Powder Pillows

Dissolved Oxygen Reagent Set Includes: Alkaline Iodide-Azide Powder Pillows, Manganous Sulfate Powder Pillows, Sodium Thiosulfate Titrant Cartridge (0.2 N), Starch Indicator Solution, Sulfamic Acid Powder Pillows. Method: Winkler (Azide Modification) Range: 1- greater than 10 mg/L as DO …

Oxygen Scavenger Reagent Set includes: DEHA Reagents 1 and 2 Method: Iron Reduction Method for Oxygen Scavengers Range: Consult Hach Method 8140 for the different test/ranges Enough reagent for 100 tests

Diphenylcarbazone Reagent Method: Chloride Mercuric Nitrate Sample: 10 mL pk/100 Powder Pillows

With copper catalyst per Standard Methods, 19th edition

(Drop Count Titration Method) For OX-2P Test Kit (1469-00) Contains: Dissolved Oxygen 1, 2, and 3 Reagent Powder Pillows; Sodium Thiosulfate Standard (0.0109 N)

Dechlorinating Reagent, Powder Pillows for dechlorinating water samples.

For chloride mercuric nitrate method Powder

C5H9NO4·...H2O, FW = 165.15 CAS No. 617-65-2. Assay: 99%