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简单介绍：
二硫化碳检测管13M Carbon disulphide，二硫化碳检测管13M CS2 Carbon disulphide，Measuring Range 20 to 50 ppm 50 to 1600 ppm 1600 to 4000ppm，二硫化碳气体检测管13 Carbon disulphide，二硫化碳气体检测管价格
详情介绍：
二硫化碳检测管13M Carbon disulphide Carbon disulphide No.13M
CS2
| Performance |
Measuring Range | 20 to 50 ppm | 50 to 1600 ppm | 1600 to 4000 ppm | ||
Number of Pump Strokes | 2 | 1 | 1/2 | ||
Correction Factor | 0.4 | 1 | 2.5 | ||
Sampling Time | 3 minutes per pump stroke | ||||
Detecting Limit | 10 ppm (n=2) | ||||
Colour Change | Purple → Yellow | ||||
Reaction Principle | CS2 +I2O4 +H2S2O7 → SO2 + CO2 SO2 + BaCl2+ H2O → BaSO4+ 2HCl HCl + Base → Chloride | ||||
Coefficient of Variation | 10% (for 50 to 400 ppm), 5% (for 400 to1600 ppm) | ||||
Shelf Life | 3 Years | ||||
Corrections for temperature &humidity | Temperature correction isnecessary | ||||
Store the tubes at cool and darkplace. | |||||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
sulphurdioxide | + | Yellow | |
Hydrogensulphide | + | Yellow | |
Lower class HCs | 1000ppm | + | Yellow |
Carbonylsulphide | + | Yellow |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 10 ppm | - | 1.3 to 50% |