Description
Dräger Tubes For Short Term Measurements: Mercaptan 0.5/a
Dräger Safety offer a massive range of short-term gas detection tubes for the measurement of various gases. This particular set of tubes is for (Mercaptan 0.5/a).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
| Part no | Dräger Tube | Substance | Measurement Range |
| 6728981 | Mercaptan 0.5/a | Butanethiol | 0.5 to 50 ppm |
| Butyl Mercaptan | Qualitative | ||
| Ethyl Mercaptan | 0.1 to 20 ppm | ||
| Methyl Mercaptan | 0.1 to 100 ppm |
Application Range:
| Standard Measuring Range: | 0.5 to 5 ppm |
| Number of Strokes n: | 20 |
| Time for Measurement: | approx. 5 min. |
| Standard Deviation: | ± 10 to 15 % |
| Colour Change: | white to yellow |
Ambient Operating Conditions:
| Temperature: | 10 to 40 °C |
| Absolute Humidity | 3 to 15 mg H2O / L |
Reaction Principle:
2 R-SH + Pd2+ ~> Pd(RS)2 + 2 H+
Cross Sensitivity:
Higher molecular weight alkyl mercaptans (e.g. propyl- and butylmercaptans) are indicated with approximately the same sensitivity. 1,000 ppm ethylene, 2,000 ppm carbon monoxide and 200 ppm hydrogen sulfide do not affect the indication. Hydrogen sulfide discolors the pre-layer black..
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