Description
Dräger Tubes For Short Term Measurements: Nickel Tetracarbonyl 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 (Nickel Tetracarbonyl 0.1/a).
The tubes come in a pack of 9 tubes and have a shelf life of 2 years.
| Part no | Dräger Tube | Substance | Measurement Range |
| CH19501 | Dräger Nickel Tetracarbonyl 0.1/a(9) | Iron Pentacarbonyl | Qualitative |
| Nickel Carbonyl | 0.1 to 1 ppm |
Application Range:
| Standard Measuring Range: | 0.1 to 1 ppm Discoloration compared to color standard. |
| Number of Strokes n: | 20 |
| Time for Measurement: | approx. 5 min |
| Standard Deviation: | ± 50 % |
| Colour Change: | yellow to pink |
Ambient Operating Conditions:
| Temperature: | 0 to 30 °C |
| Absolute Humidity | < 30 mg H2O / L |
Reaction Principle:
a) Ni(CO)4 + I2 ~> NiI2 + 4 CO b) NiI2 + Dimethylglyoxime ~> pink colored complex
Cross Sensitivity:
Iron pentacarbonyl is also indicated by a brownish discoloration, however, with less sensitivity. Measurement of nickel tetra carbonyl is not possible in the presence of hydrogen sulfide of sulfur dioxide, since the reading is suppressed. Such a disturbance can be recognised by decoloration of the indicating layer even before the reagent ampoule is opened..
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