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关 键 词：221L氯化物检知管
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发布时间：2010-12-20
Chloride Ion NO.221L Cl- Performance Measuring Range (25) to 1000 mg/L Sampling Time 3 minutes Detecting Limit 1 mg/L Colour Change Brown → White Reaction Principle 2Cl- + Ag2CrO4 → 2AgCl 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 Change colour by itself to CN- 1 mg/L + White Br- 10 mg/L + White SCN- 30 mg/L + White Fe2+ 200 mg/L - No (1000 mg/L) Fe3+ 200 mg/L - White F- 500 mg/L - No (1000 mg/L) I- 50 mg/L + White S2- 5 mg/L + Blackish gray SO42- 2000 mg/L - White
