簡(jiǎn)單介紹
Performance Measuring Range 1 to 100 ppm Sampling Time 2 minutes Detecting Limit 0.5 ppm Colour Change White → Brown Reaction Principle S2- + Pb(CH3COO)2→ PbS Shelf Life 3 Years Corrections for temperature & humidity Unnecessary Store the tubes at cool and dark place. Possible coexisting substances and their interferences (NOTE) Substance Concentration Interference Change colour by itself to CO32- 500 ppm + No Cl- 5000 ppm + No CrO42- 25 ppm - Yellow SO32- 300 ppm - No S2O32- 50 ppm Unclear dem
211H硫化物水質(zhì)檢知管 S2-的詳細(xì)介紹
sulphide Ion NO.211
S2-
Performance
MeasuringRange 1 to 100 ppm
SamplingTime 2 minutes
Detecting Limit 0.5 ppm
Colour Change White → Brown
Reaction Principle S2- + Pb(CH3COO)2→PbS
Shelf Life 3 Years
Corrections for temperature &humidity Unnecessary
Store the tubes at cool and darkplace.
Possiblecoexisting substances and their interferences(NOTE)
Substance Concentration Interference Changecolour by itself to
CO32- 500 ppm + No
Cl- 5000 ppm + No
CrO42- 25 ppm -
SO32- 300ppm - No
S2O32- 50ppm Uncleardemarcation No
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