Draeger Tube,Chromic Acid,Bx 9 0.1/a (9)tst/box 0.1-0.5 mg/m3
DRAEGER SAFETY INC.
/ Model #6728681
Details
Draeger Tube - Chromic Acid 0.1/a
Order No. 67 28 681
| Application Range | |
| Standard Measuring Range | 0.1 to 0.5 mg/m3 Discoloration compared to color standard. |
| Number of Strokes n: | 40 |
| Time for Measurement: | approx. 8 minutes |
| Standard Deviation: | ± 50% |
| Color Change: | white to violet |
| Ambient Operating Conditions | |
| Temperature: | 5 to 40° C ~ 41 to 104° F |
| Absolute Humidity: | < 20 mg H2O / L |
| Reaction Principle | |
| a) CrO3 + H2SO4 CrVI b) CrVI + diphenylcarbazide CrIII + diphenylcarbazone |
|
| Cross Sensitivity | |
| Metal chromates such as zinc or strontium chromate are indicated with about half the sensitivity. CrIII compounds do not affect the indication. Very high chromate concentrations lead to a rapid bleaching of the indication. Measurements should be repeated with less strokes |
|
| Additional Information | |
| After carrying out the required 40 pump strokes the reagent ampoule must be broken, the liquid transferred onto the indicating layer and carefully drawn through it using the pump. | |
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DRAEGER SAFETY INC.
Model #6728681
Draeger Tube,Chromic Acid,Bx 9 0.1/a (9)tst/box 0.1-0.5 mg/m3
$184.00
