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GAS151D Acetone Passive Dosi-Tube 5 – 1500ppm
Description
GAS151D Acetone Gastec Passive Sampling Dosi Tubes (Time Weighted Average Detector Tubes)
The Dosi-Tube System allows an operator to evaluate the level of gas a worker is exposed to over a time period such as a working shift.
The Dosi-Tube is easily clipped into the Dosi-tube holder (GAS710) which is worn on a garment of clothing.
| Performance |
| Measuring Range | 5 to 1500 ppm |
| Sampling Hours | 1 to 10 hours |
| Detecting Limit | 5ppm (10 hours) |
| Colour Change | Yellow Reddish Brown |
| Reaction Principle | Acetone reacts with Hydroxylamine Phosphate to liberate Phosphorus Acid, which discolours pH indicator to reddish brown.
3CH3COCH3 + (NH2OH)3H3PO4 H3PO4 |
| Coefficient of Variation | 10% (for 50 to 1500 ppm∙hr) |
| Shelf Life | Up to 2 years from point of manufacture |
| Corrections for temperature & humidity |
Temperature correction is necessary |
| Store the tubes in the refrigerator to keep at 10oC (50oF) or below. | |
| Possible coexisting substances and their interferences |
| Substance | Concentration | Interference | Change colour by itself |
| Aldehydes, Ketones | – | Plus error | Discolours reddish brown |
| Acid gases | – | Plus error | Discolours reddish brown (Unclear demarcation) |
| Other substance measurable with this detector tube | ||||
| Name of Substance | Correction Factor | Measuring Range | ||
| Methyl Ethyl Ketone | 1.3 | 6.5 to 1950 ppm | ||
| Methyl Isobutyl Ketone | 2.3 | 11.5 to 3450 ppm | ||
| Acetaldehyde | 0.8 | 4 to 1200 ppm | ||
Additional Information
| Weight | 0.1 kg |
|---|---|
| Multi Gas Tags | Acetaldehyde (CH3CHO), Acetone (CH3COCH3), Methyl Ethyl Ketone (MEK) (CH3COC2H5), Methyl Isobutyl Ketone ((CH3)2CHCH2COH3) |
| Gas Range | |
| Brand | |
| Configuration |
Product Downloads
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