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硫醇类检测管70
点击次数:161发布时间:2012/3/20 11:15:17
更新日期:2012/9/21 14:20:27
所 在 地:其它
产品型号:70
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详细内容
硫醇类检测管70 Mercaptans R-SH
的详细介绍硫醇类检测管70 Mercaptans R-SH
Mercaptans No.70
R-SH
Performance |
Measuring Range | 0.5 to 5 ppm | 5 to 120 ppm |
Number of Pump Strokes | 2 to 10 | 1 |
Correction Factor | 1/2 to 1/10 | 1 |
Sampling Time | 2 minutes per pumpstroke | |
Detecting Limit | 0.2 ppm (n=10) | |
Color Change | White → Yellow | |
Reaction Principle | 2RSH+ PdSO4 → (RS)2Pd+ H2SO4 | |
Coefficient ofVariation | 10% (for 5 to 40ppm), 5% (for 40 to 120 ppm) | |
ShelfLife | 3Years | |
Correctionsfor temperature & humidity | Temperature correction is necessary | |
Store the tubes at cool and darkplace. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Carbonmonoxide | 2000 ppm | Plus error | Pale brown for wholelayer |
Hydrogensulfide | 500 ppm | Plus error | Nodiscoloration |
Acetylene,Ethylene | 2000 ppm | Plus error | Pale brown for wholelayer |