Gastec 22 乙硼烷气体检测管B2H6（0.02~5ppm）
制造商: Gastec Model: 22 - 联系
Indicator: 0.1~2.0ppm
Measuring Range:
+ 0.02 to 0.05 ppm, Number of Pump Strokes 5
+ 0.05 to 2 ppm, Number of Pump Strokes 2
+ , Number of Pump Strokes 1
Sampling Time: 1 minute per pump stroke
Colour Change: Yellow → Red
Reaction Principle: B2H6 + 6HgCl2 → 2B2(HgCl)3 + 6HCl, HCl + Base → chloride
Coefficient of Variation: 10% (for 0.05 to 0.4 ppm), 5% (for 0.4 to 2 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Details
Performance
| Measuring Range |
|
|||
| Number of Pump Strokes |
|
|||
| Correction Factor |
|
|||
| Sampling Time | 1 minute per pump stroke | |||
| Detecting Limit | 0.01 ppm (n=5) | |||
| Colour Change | Yellow → Red | |||
| Reaction Principle | Diborane reacts with mercuric chloride to produce hydrogen chloride. HCl react with indicator to discolour to red. B2H6 + 6HgCl2 → 2B2(HgCl)3 + 6HCl HCl + Base → chloride |
|||
| Coefficient of Variation | 10% (for 0.05 to 0.4 ppm), 5% (for 0.4 to 2 ppm) | |||
| Shelf Life | 2 Years | |||
| Corrections for temperature & humidity | Temperature correction is necessary | |||
| Store the tubes at cool and dark place. | ||||
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Arsine | 1/10 time | + | Red |
| Hydrogen selenide | 1/10 time | + | Red |
| Phosphine | 1/10 time | + | Red |
| Hydrogen chloride | 1/3 time | + | Red |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.1 ppm (2014) | - |
- 质量承诺
- 正品保修
- 送货到家
- 交易简单化
