Dräger Tube -Nickel Tetracarbonyl 0.1/a (9)CH19501
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|
|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|
a) Ni(CO)4 + I2 ~> NiI2 + 4 CO b) NiI2 + Dimethylglyoxime ~> pink colored complex
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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