For determination of chloride by mercuric nitrate Digital Titrator titration. Hach Method 8206. Ranges: 10-160 and 100-8000 mg/l Cl-. Reagent Set includes: Diphenylcarbazone Reagent Powder Pillows, Mercuric Nitrate Digital Titrator Cartridges, 0.2256 N and 2.256 N. Approximately 40-100 Tests.