Draeger Tube, Pyridine 5/a 5 ppm, Box of 10
DRAEGER SAFETY INC.
/ Model #6728651
Details
Draeger Tube - Pyridine 5/A
Order No. 67 28 651
| Application Range | |
| Standard Measuring Range | 5 ppm |
| Number of Strokes n: | 20 |
| additional 5 strokes have to be taken in clean air after opening the second reagent ampoule. | |
| Time for Measurement: | approx. 20 minutes |
| Standard Deviation: | ± 30% |
| Color Change: | white to brown red |
| Ambient Operating Conditions | |
| Temperature: | 10 to 30° C ~ 50 to 86° F |
| Absolute Humidity: | 3 to 15 mg H2O / L |
| Reaction Principle | |
| Pyridine + Aconitic acid + Acetic anhydride → brown red reaction product | |
| Cross Sensitivity | |
| Ammonia in the TLV range does not interfere. | |
| Additional Information | |
| Before carrying out the measurement the lower reagent ampoule must be broken and the liquid transferred to the indication layer so that it is saturated. After performing 20 pump strokes, the upper reagent ampoule must be broken. The granular contents must be shaken out of the broken ampoule by gently tapping the side of the tube. The tube must be held vertically with the inlet of the tube up during the 5 additional pump strokes. | |
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