Description
Dräger-Tube Cyanide 2/a (10)
PN: 6728791
Dräger-Tubes™ are used together with a Dräger tube pump for measurements of gases, vapors and aerosols, usually in air, and are one of the classic methods of gas analysis. This Dräger-Tube is used for the detection of cyanide and has the following standard measuring range: 2-15 mg/m³ Measurements: 10
| Application Range | |
| Standard Measuring Range | 2 to 15 mg/m3 |
| Number of Strokes n | 10 (+2) |
| Time for Measurement | approx. 2.5 min |
| Standard Deviation | ± 10 to 30% |
| Color Change | yellow to red |
| Ambient Operating Conditions | |
| Temperature | 0 to 30 °C |
| Absolute Humidity | <20 mg H2O/L |
| Cross Sensitivity |
| Free hydrogen cyanide is indicated already before breaking the ampoule. Acid gases are indicated with different sensitivities . A certain portion of the cyanide can have reacted with the CO2 in the air through hydrolysis. It is impossible to measure cyanide in the presence of phosphine |
| Additional Information |
| After carrying out the 10 strokes the reagent ampoule must be broken, the liquid transfered onto the white separating layer and carefully drawn through with two strokes in cyanide free air using the pump. The indicating layer must no become moist. |
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