簡(jiǎn)單介紹
Performance Measuring Range 0.02 to 0.2 mg Sampling Time 45 seconds per 1 pomp stroke Detecting Limit 0.002 mg Colour Change White → Brown Reaction Principle Gus generation tube : Sulphides + H2SO4 → H2SDetector tube : H2S + Pb(CH3COO)2 → PbS Shelf Life 3 Years Corrections for temperature & humidity Unnecessary Coefficient of Variation 5% (for 0.02 to 0.2 mg) Possible coexisting substances and their interferences (NOTE) Substance
201H硫化物Sulphide的詳細(xì)介紹
Sulphide NO.201H
Performance
Measuring Range 0.02 to 0.2 mg
Sampling Time 45 seconds per 1 pomp stroke
Detecting Limit 0.002 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 0.02 to 0.2 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
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