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硫化物检测管201L Sulphide

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更新时间2014/9/29 9:11:19

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产品介绍

硫化物检测管201L Sulphide 的详细介绍
硫化物检测管201L Sulphide Sulphide NO.201L

Performance
Measuring Range
0.002 to 0.02 mg
Sampling Time
45 seconds per 1 pomp stroke
Detecting Limit
0.0002 mg
Colour Change
White → Brown
Reaction Principle
Gus generation tube : Sulphides +H2SO4 →H2S
Detector tube : H2S + Pb(CH3COO)2 → PbS
Shelf Life
3 Years
Corrections for temperature &humidity
Unnecessary
Coefficient ofVariation 5%(for 0.002 to 0.02 mg)
Possible coexisting substances and theirinterferences (NOTE)
Substance
Concentration
Interference
Change colour by itselfto
Chlorideion

No
No
Chromate ion

No
No
Carbonate ion

No
No