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Gastec 211H 硫化物水质检知管(10~100 ppm)

Indicator: 10 ~ 100 ppm
Measuring Range: 10 ~ 100 ppm
Sampling Time:  2 minute
Colour Change: White → Brown
Reaction Principle: S2- + Pb(CH3COO)2→ PbS
Nr. of tests: 10

Details

Catalog

Manual

Performance
Measuring Range 10 to 100 ppm
Sampling Time 2 minutes
Detecting Limit 1 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 Changes colour by itself to
Cl- ≧ 15000 ppm + No
CrO42- 100 ppm Yellow
CO32- 500 ppm + No
SO32- 100 ppm No
S2O32- 100 ppm + No
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