Gastec 27 Polytec-IV 气体定性分析管（NH3，HCl，H2S，SO2，NO2，CO，CO2）
制造商: Gastec Model: 27 - 联系
Gas or Vapour to be Measured: NH3,HCl,H2S,SO2,NO2,CO,CO2
Number of Pump Stroke: 1
Sampling Time: 30 seconds per pump stroke
Nr. of tests: 10
Pump: GV-100S
Details
Number of Pump Stroke
| 1 | |
| Sampling Time | 30sec. per pump stroke |
| Shelf Life | 1.5 Years |
| Reaction Principle | 1.Neutralising reaction 2.Reaction with indicator 3.Reaction with copper sulphate 4.Reaction with barium chloride and indicator. 5.Reaction with o-tolidine 6.Reduction reaction 7.Neutralising reaction |
Colour Change of Each Layer
| Substance | Conc. (ppm) |
Colour Change | ||||||
| 1 (Purple ) |
2 (Yellow) |
3 (White) |
4 (Blue) |
5 (White) |
6 (Yellow) |
7 (Blue) |
||
| Ammonia |  25150 |
Yellow (Inlet) Yellow (WL) |
- | - | - | - | - | - |
| Diethylamine | 25150 |
Yellow (Inlet) Yellow (WL) |
- | - | - | - | - | - |
| Hydrogen Chloride | 5150 |
- | Red (Inlet) Red (WL) |
- | - | - | - | - |
| Hydrogen Sulphide | 10120200800 |
- | - | Brown (Inlet) Brown (WL) Brown (WL) Brown (WL) |
- | - | BB (Inlet) BB (WL) |
- |
| Chlorine | 52050 |
- | - | - | Yellow (Inlet) Yellow (WL) Yellow (WL) |
Yellow (Inlet) Yellow (WL) |
- | - |
| Sulphur Dioxide | 1050 |
- | - | - | Yellow (Inlet) Yellow (WL) |
- | - | - |
| Nitrogen Dioxide | 530 |
- | - | - | Purple (WL) Purple (WL) |
YO (Inlet) YO (WL) |
- | - |
| Carbon Monoxide | 25100 |
- | - | - | - | - | BB (Inlet) BB (WL) |
- |
| Hydrogen | 50000100000 |
- | - | - | - | - | Gray(WL) BB (WL) |
- |
| Phosphine | 50700 |
- | - | - | - | - | BB (Inlet) BB (WL) |
- |
| Acetylene | 2002000 |
- | - | - | - | - | BB (Inlet) BB (WL) |
- |
| Ethylene | 10000 |
- | - | - | - | - | BB (Inlet) |
- |
| Propylene | 1000050000 |
- | - | - | - | - | Gray ((Inlet) Gray (WL) |
- |
| Methyl Mercaptan | 2001000 |
- | - | - | - | - | YO (Inlet) YO (WL) |
- |
| Carbon Dioxide | 500020000 |
- | - | - | - | - | - | Brown (Inlet) Brown (WL) |
(1) Amines stain layer 1 similarly to Ammonia.
(2) Olefins stain layer 6 similarly to Carbon Monoxide.
(3) (Inlet) means the approximate gas concentration discolor the inlet of the layer.
(4) (Whole layer) means the approximate gas concentration discolor the reagent of the layer.
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