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 …