供应北瑞达 wi64271硫化氢检测管

产品品牌：北瑞达

产品型号：wi64271

产品名称： 硫化氢检测管 产品货号： wi64271 产    地： 中国 发布时间： 2/03/2011 11:07

详 细 说 明

www.5117dxy.com 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 →H2SDetector 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

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