美國CHEMetrics K-1705型鈣硬度比色法快速水質分析套件
Hardness Visual Kit
Range:  50-500 ppm as CaCO3
MDL:  50 ppm / Method:  EGTA
美國CHEMetrics代理商：上海益朗儀器有限公司
Hardness （calcium） Titrets Kit, Shelf-life 8 months K-1705
Increments:
50, 55, 60, 65, 70, 75, 80, 90, 100, 125, 150, 175, 200, 250, 350, 500 ppm
Kit comes in a cardboard box and contains everything needed to perform 30 tests:  thirty ampoules with valve assemblies, Indicator Solution, titrettor, 25 mL sample cup, instructions, and MSDS.