Gastec 28 Polytec-V Qualitative Analysis Polytec tube (HCl,COCl2,SO2,NO2,H2S, HCN,CO,CO2)
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Gas or Vapour to be Measured: HCl,COCl2,SO2,NO2,H2S, HCN,CO,CO2
Number of Pump Stroke: 1
Sampling Time: 30 seconds per pump stroke
Nr. of tests: 10
Pump: GV-100S
Number of Pump Stroke | 1 |
Sampling Time | 30sec. per pump stroke |
Shelf Life | 1.5 Years |
Reaction Principle | 1.Reaction with indicator 2.Reaction with p-Dimethylaminobenzaldehyde 3.Reaction with Barium Chloride and indicator 4.Reaction with o-Tolidine 5.Reaction with Lead Acetate 6.Reaction with Silver (I) Nitrate and indicator 7.Reaction with Sodium Hydrogen Sulphite 8.Neutralising reaction |
Substance | Conc. (ppm) |
Colour Change | |||||||
1 (Pale Yellow) |
2 (White) |
3 (Blue) |
4 (White) |
5 (White) |
6 (Yellow) |
7 (Yellow) |
8 (Blue) |
||
Hydrogen Chloride | 5 150 |
Red (Inlet) Red (WL) |
- | - | - | - | - | - | - |
Phosgene | 0.5 20 |
- | Yellow (Inlet) Yellow (WL) |
- | - | - | - | - | - |
Chlorine | 7 50 |
- | Yellow (Inlet) Yellow (WL) |
- | - | - | - | - | - |
Sulphur Dioxide | 10 50 |
- | - | Yellow (Inlet) Yellow (WL) |
- | - | - | - | - |
Nitrogen Dioxide | 5 30 |
- | Yellow (Inlet) |
- | Yellow (Inlet) Yellow (WL) |
- | - | - | - |
Hydrogen Sulphide | 10 200 800 |
- | - | - | - | Brown(Inlet) Brown(WL) Brown(WL) |
Pink(Inlet) Pink(WL) |
- | - |
Hydrogen Cyanide | 5 30 |
- | - | - | - | - | Pink(Inlet) Pink(WL) | - | - |
Carbon Monoxide | 25 100 |
- | - | - | - | - | - | BB (Inlet) BB (WL) |
- |
Hydrogen | 50000 100000 |
- | - | - | - | - | - | Gray(WL) BB (WL) |
- |
Hydrogen Phosphide | 0.5 5 50 700 |
- | - | - | - | - | Pink(Inlet) Pink(WL) Pink(WL) Pink(WL) |
BB (Inlet) BB (WL) |
- |
Acetylene | 200 2000 |
- | - | - | - | - | - | BB (Inlet) BB (WL) |
- |
Ethylene | 10000 | - | - | - | - | - | - | BB (Inlet) | - |
Propylene | 10000 50000 |
- | - | - | - | - | - | Gray(Inlet) Gray (WL) | - |
Methyl Mercaptan | 200 1000 |
- | - | - | - | - | - | YO (Inlet) YO (WL) |
- |
Carbon Dioxide | 5000 20000 |
- | - | - | - | - | - | - | Brown (Inlet) Brown (WL) |
Note: WL: Whole layer; BB: Blackish brown; YO: Yellowish orange;
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