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简单介绍：
1,3 -丁二烯174D 1,3-Butadiene CH2:CHCH:CH2，Measuring Range 1.3 to 200 ppm Sampling Hours 1 to 8 hours Detecting Limit 1.3 ppm (8 hours)1,3-丁二烯价格，1,3 -丁二烯检测管174D 1,3-Butadiene
详情介绍：
1,3 -丁二烯检测管174D 1,3-Butadiene 1,3-Butadiene No.174D
CH2:CHCH:CH2
| Performance |
Measuring Range | 1.3 to 200 ppm |
Sampling Hours | 1 to 8 hours |
Detecting Limit | 1.3 ppm (8hours) |
Color Change | Reddish purple → Palebrown |
Reaction Principle | CH2:CHCH:CH2 + MnO4 仺 Pale brown product |
| Coefficient ofVariation | 10%(for 10 to 200 ppmr) |
| ShelfLife | 2 Year |
| Correctionsfor temperature & humidity | Temperature correction isnecessary |
| Store the tubes atcool and dark place. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Interference | Change colour byitself to |
Unsaturatedhydrocarbons | + | Palebrown |
| Othersubstance measurable with this detectortube |
Substance | CorrectionFactor | SamplingTime | MeasuringRange |
Ethylene | Factor: 1.2 | 1 to 10 | 1.5 to240 ppm |
Vinylchloride | Factor: 1.2 | 1 to 10 | 1.5 to240 ppm |
Isoprene | Factor: 2.0 | 1 to 10 | 2.5 to 400 ppm |
Trans-1,2-Dichloroethylene | Factor: 3.0 | 1 to 10 | 3.8 to 600ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 2 ppm | - | 2.0to 12% |