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关 键 词：过氧化氢检测管H2O2
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发布时间：2010-12-20
Hydrogen peroxide No.32D H2O2 Performance Measuring Range 0.5 to 40 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.3 ppm (10 hours) Color Change White → Yellow Reaction Principle H2O2 + Ti(SO4)2 → Yellow product Coefficient of Variation 10% (for 5 to 40 ppm-hr) Shelf Life 3 Year Corrections for temperature & humidity Temperature correction is necessary Store the tubes at cool and dark place. Possible coexisting substances and their interferences (NOTE) Substance Concentration Interference Change color by itself Nitrogen dioxide No No Chlorine,Ozone No No Acetaldehyde 20 ppm Unclear demarcation No Formaldehyde 10 ppm - No Calibration gas generation Diffusion tube method TLV-TWA TLV-STEL Explosive range 1 ppm - -
