智能制造浙江大市场优选货源 · 支持展会现场看样

273铬离子检测管 Cr6+

参考报价￥0 / 套

起订量 0 套 · 价格可议 · 支持定制方案

供货能力30 套/月

发货地上海市市辖区闵行区

更新时间2014/11/7 13:46:31

已有 86 位采购商浏览

规格参数

产品介绍

简单介绍
Performance Measuring Range 0.5 to 50 mg/L Sampling Time 2 minutes Detecting Limit 0.4 mg/L Colour Change White → Yellow Reaction Principle Cr6+ + Pb(CH3COO)2 → PbCrO4 Shelf Life 3 Years Corrections for temperature & humidity Water temperature correction is necessary Store the tubes at cool and dark place. Possible coexisting substances and their interferences (NOTE)

273铬离子检测管 Cr6+的详细介绍
Chromium (VI) Ion NO.273
Cr6+

Performance
Measuring Range 0.5 to 50 mg/L
Sampling Time 2 minutes
Detecting Limit 0.4 mg/L
Colour Change White → Yellow
Reaction Principle Cr6+ + Pb(CH3COO)2 → PbCrO4
Shelf Life 3 Years
Corrections for temperature & humidity Water temperature correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Cl- 20 mg/L + No
CH3COO- 20 mg/L + No
NO3- 30 mg/L + No
S2- 0.5 mg/L Unclear Brown (0.5 mg/L )
SO42- 10 mg/L + No
PO43- 5 mg/L + No