For determination of chloride by Silver Nitrate Digital Titrator Titration. Hach Method 8207. Ranges: 10-100 and 100-10,000 mg/L as CI- . Set contains: Chloride 2 Indicator Powder Pillow packs and two Silver Nitrate Titration Cartridges (0.2256 N and 1.128 N). Approximately 40 to 100 tests per range.