产品分类
PRODUCT CENTER
联系我们
销售电话：时经理
18121126516
021-64835787
产品详情
简单介绍：
乙硫醇检测管72L Ethyl mercaptan C2H5SH，Measuring Range 0.2 to 0.5 ppm 0.5 to 30 ppm 30 to 75 ppm Number of Pump Strokes 2 1 1/2 Correction Factor 0.4 1 2.5 Sampling
详情介绍：
乙硫醇检测管72L Ethyl mercaptan
Ethyl mercaptan No.72L
C2H5SH
| Performance |
Measuring Range | 0.2 to 0.5 ppm | 0.5 to 30 ppm | 30 to 75 ppm |
Number of Pump Strokes | 2 | 1 | 1/2 |
Correction Factor | 0.4 | 1 | 2.5 |
Sampling Time | 1.5 minutes per pumpstroke | ||
Detecting Limit | 0.15 ppm (n=2) | ||
Color Change | Yellow → Red | ||
Reaction Principle | C2H5SH + HgCl2 →ClH5S | ||
| Coefficient ofVariation | 10% (for0.5 to 5 ppm), 5% (for 5 to 30 ppm) | ||
| ShelfLife | 2Years | ||
| Correctionsfor temperature & humidity | Temperature correction is necessary | ||
| Store the tubes at cool and darkplace. | |||
HgCl + HCl| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
HydrogenSulfide | - | Plus error | Produces redstain |
Mercaptans | - | Plus error | Produce redstain |
Acetylene | - | No effect | Nodiscoloration |
CarbonMonoxide | - | No effect | Nodiscoloration |
Ethylene | - | No effect | Nodiscoloration |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Permeation tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 10ppm | - | 2.8to 18.2% |