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Gas or Vapour to be Measured: NH3,SO2,H2S,CO
Number of Pump Stroke: 1
Sampling Time: 1 minute per pump stroke
Nr. of tests: 10
Pump: GV-100S
| Number of Pump Stroke | 1 |
| Sampling Time | 1 minute per pump stroke |
| Shelf Life | 2 Years |
| Reaction Principle | NH3:Neutralising reaction SO2:Free acid is produced →acid-base reaction H2S:Sulphuric compound is produced CO:Reduction reaction with Palladium compound |
| Substance | Conc. (ppm) |
Colour Change | |||
| NH3 | SO2 | H2S | CO | ||
| Ammonia |  0.55 |
Yellow (Inlet) Yellow (9mm) |
- | - | - |
| Hydrogen Chloride | 5 |
- | Yellow (3mm) | - | - |
| Chlorine | 1 |
- | Yellow (3mm) | - | - |
| Sulphur Dioxide | 12 |
- | Yellow (Inlet) Yellow (6mm) |
- | - |
| Nitrogen Dioxide | 3 |
- | Purple (Inlet) | - | - |
| Hydrogen Sulphide | 10 |
- | - | Brown (Inlet) | - |
| Carbon Monoxide | 10 |
- | - | - | Blackish brown (Inlet) |
| Hydrogen | 10000 |
- | - | - |
Blackish brown(Whole layer) |
| Olefin HCs | 10000 |
- | - | - | Blackish brown(Whole layer) |
| Mercaptans | 10 |
Blackish brown (Inlet) | |||
|
(1) Amines give the same discolouration with Ammonia. |
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