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简单介绍：
丙酮检测管151L Acetone CH3COCH3，Measuring Range 50 to 4000 ppm 4000 to 12000 ppm Number of Pump Strokes 2 1 Correction Factor 1 3 Sampling Time 2 minutes per pump stroke Detecting Limit 5ppm(n=2)丙酮气体检测管价格
详情介绍：
丙酮检测管151L Acetone CH3COCH3
Acetone No.151L
Acetone No.151L
CH3COCH3
| Performance |
MeasuringRange | 50 to 4000 ppm | 4000 to 12000ppm |
Number of Pump Strokes | 2 | 1 |
Correction Factor | 1 | 3 |
SamplingTime | 2 minutes per pumpstroke | |
DetectingLimit | 5 ppm (n=2) | |
ColorChange | Yellow → Red | |
ReactionPrinciple | CH3COCH3 + (NH2OH)3 • H3PO4 → H3PO4+ Base | |
| Coefficient ofVariation | 15% (for50 to 500 ppm), 10% (for 500 to 4000 ppm) | |
| ShelfLife | 2Years | |
| Correctionsfor temperature & humidity | Temperature correction is necessary | |
| Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow. | ||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Acrolein,Acetaldehyde | 1/10 time | Plus error | Produce reddishstain |
Aromatichydrocarbons | - | No effect | Nodiscoloration |
Methyl isobutylketone | - | Plus error | Produce reddishstain |
Methyl ethylketone | - | Plus error | Produce reddishstain |
| Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
Methyl ethylketone | Factor: 0.42 | 5 | 21 to 1680 ppm |
Propionaldehyde | Factor: 0.47 | 2 | 24 to 1880ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 500 ppm | 750ppm | 2.1to 13% |