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GAS174D Butadiene-1,3 Passive Dosi-Tube 1.3 – 200ppm
Description
GAS174D Butadiene-1,3 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 | 1.3 to 200 ppm |
| Sampling Hours | 1 to 8 hours |
| Detecting Limit | 1.3 ppm (8 hours) |
| Colour Change | Reddish purple Pale brown |
| Reaction Principle | Butadiene reacts with Permanganate to produce light brown reaction product.
CH2:CHCH:CH2 + MnO4 (Reddish purple) Pale brown product |
| Coefficient of Variation | 10% (for 10 to 200 ppm∙hr) |
| Shelf Life | Up to 2 years from point of manufacture |
| Corrections for temperature & humidity |
Temperature correction is necessary |
| Store the tubes at cool and dark place. | |
| Possible coexisting substances and their interferences |
| Substance | Concentration | Interference | Change colour by itself |
| Unsaturated hydrocarbons | – | Plus error | Produce pale brown discoloration |
Other substances measurable with this detector tube
| Substance | Correction | Measuring range | ||
| Ethylene | Factor: 1.2 | 1.56 to 240 ppm | ||
| Vinyl Chloride | Factor: 1.2 | 1.56 to 240 ppm | ||
| Isoprene | Factor: 2.0 | 2.6 to 400 ppm | ||
| Trans-1,2-Dichloroethylene | Factor: 3.0 | 3.9 to 600 ppm | ||
Additional Information
| Weight | 0.1 kg |
|---|---|
| Multi Gas Tags | 1,3-Butadiene (CH2:CHCH:CH2), Dichloroethylene-1,2 (ClCH:CHCl), Ethylene (CH2:CH2), Vinyl Chloride (CH2:CHCl) |
| Gas Range | |
| Brand | |
| Configuration |
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