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简单介绍：
二硫化碳气体检测管13 Carbon disulphide，二硫化碳气体检测管13 CS2 Carbon disulphide，Measuring Range 0.63 to 1.25 ppm 1.25 to 2.5 ppm 2.5 to 50 ppm 50 to 100 ppm，二硫化碳气体检测管价格
详情介绍：
二硫化碳气体检测管13 Carbon disulphide Carbon disulphide No.13
CS2
| Performance |
Measuring Range | 0.63 to 1.25ppm | 1.25 to 2.5 ppm | 2.5 to 50 ppm | 50 to 100 ppm | ||
Number of Pump Strokes | 4 | 2 | 1 | 1/2 | ||
Correction Factor | 1/4 | 1/2 | 1 | 2 | ||
Sampling Time | 3 minutes per pump stroke | |||||
Detecting Limit | 0.3 ppm (n=4) | |||||
Colour Change | Blue → Yellow | |||||
Reaction Principle | CS2 +CrO3 + H2S2O7 → SO2 + CO2 SO2 + BaCl2 +H2O → BaSO3 +2HCl HCl + Base → Chlorides | |||||
Coefficient of Variation | 10% (for 2.5 to 10 ppm), 5% (for 10 to 50ppm) | |||||
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 |
Ammonia | No | No | |
Hydrogencyanide | 200ppm | No | No |
sulphur dioxide | 1/ 5time | + | Yellow |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 10 ppm | - | 1.3 to 50% |