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：81D乙酸CH3CO2H检测管
行 业：
发布时间：2010-12-20
Acetic acid No.81D CH3CO2H Performance Measuring Range 0.5 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.2 ppm (10 hours) Color Change Purple → Yellow Reaction Principle CH3CO2H + NaOH → CH3CO2Na Coefficient of Variation 5% (for 5 to 20 ppm-hr), 10% (for 20 to 100 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 Interference Change colour by itself to Hydrogen chloride, Nitric Acid + Yellow Chlorine, Nitrogen dioxide + Yellow Hydrogen cyanide, Sulphur dioxide + Yellow Other substance measurable with this detector tube Substance Correction Factor Sampling Time Measuring Range Formic acid Factor: 1.1 1 to 10 0.55 to 110 ppm Acetic anhydride Factor: 0.6 1 to 10 0.3 to 60 ppm Calibration gas generation Diffusion tube method TLV-TWA TLV-STEL Explosive range 10 ppm 15 ppm 4 to 19.9%
