详细介绍:
美国CHEMetrics R-7870 过硫酸盐离子测试补充试剂包
Range: 0-7 & 7-70 ppm as Na2S2O8
MDL: 0.35 ppm / Method: Ferric Thiocyanate
CHEMets Kit K-7870
CHEMets Refill, 30 ampoules R-7870
Low Range Comparator
0, 0.7, 1.4, 2.1, 2.8, 4.2, 5.6, 7.0 ppm C-7807
High Range Comparator
7, 14, 21, 28, 35, 42, 49, 56, 70 ppm C-7870
Kit comes in a plastic case and contains everything needed to perform 30 tests:Refill, Low and High Range Comparators, 25 mL sample cup, instructions, and MSDS.
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