Description
Dräger Tubes For Short Term Measurements: Mercaptan 0.1/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 0.1/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 |
| 8103281 | Mercaptan 0.1/a | Butyl Mercaptan | 0.1 to 100 ppm |
| 2-Ethylhexyl acrylate | 0.1 to 15 ppm | ||
| Methyl Mercaptan | 0.1 to 15 ppm |
Application Range:
| Standard Measuring Range: | 0.1 to 2.5 ppm / 3 to 15 ppm |
| Number of Strokes n: | 10 |
| Time for Measurement: | approx. 3 min / approx. 40 s |
| Standard Deviation: | ± 10 to 15 % |
| Colour Change: | yellow to red |
Ambient Operating Conditions:
| Temperature: | 5 to 40 °C |
| Absolute Humidity | 2 to 40 mg H2O / L |
Reaction Principle:
2 R-SH + Hg Cl2 ~> Hg(CH3S)2 + 2 HCl HCl + pH-indicator ~> reddish reaction product
Cross Sensitivity:
Propyl mercaptan and n-butyl-mercaptan are indicated, but with different sensitivities. 4 ppm ethylene, 30 ppm CO, 10 ppm tetrahydrothiophene and 100 ppm hydrogen sulfide do not affect the indication. Hydrogen sulfide changes the pre-layer to black..
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