价格：面议
0
联系人：
电话：
地址：
产品规格：
产品数量：
包装说明：
关 键 词：201L硫化物检测管Sulp
行 业：
发布时间：2010-12-20
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 of Variation 5% (for 0.002 to 0.02 mg) Possible coexisting substances and their interferences (NOTE) Substance Concentration Interference Change colour by itself to Chloride ion No No Chromate ion No No Carbonate ion No No
