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甲乙酮检测管152D Methyl ethyl ketone，甲乙酮气体检测管152D Methyl ethyl ketone CH3COC2H5，Measuring Range 2 to 600 ppm Sampling Hours 1 to 10 hours Detecting Limit 5 ppm (10 hours) 甲乙酮气体检测管价格
详情介绍：
甲乙酮检测管152D Methyl ethyl ketone Methyl ethyl ketone No.152D
CH3COC2H5
| Performance |
Measuring Range | 2 to 600 ppm |
Sampling Hours | 1 to 10 hours |
Detecting Limit | 5 ppm (10hours) |
Color Change | Yellow → ReddishBrown |
Reaction Principle | CH3COCH3 + (NH2OH)3H3PO4 → H3PO4 |
| Coefficient ofVariation | 10%(for 20 to 600 ppm-hr) |
| ShelfLife | 2 Year |
| Correctionsfor temperature & humidity | Temperature correction isnecessary |
| Store the tubes inthe refrigerator to keep at 10ºC (50ºF) orbelow. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Interference | Change colour byitself to |
Aldehydes | + | Reddish brown |
| Ketones | + | Reddish brown |
Acid gases | + | Reddish brown |
| Othersubstance measurable with this detectortube |
Substance | CorrectionFactor |
| MeasuringRange |
Acetone | 0.7 |
| 1.4 to 420 ppm |
Methyl isobutylketone | 2.0 | 4 to 1200 ppm | |
Acetaldehyde | 0.6 | 1.2 to 360ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 200 ppm | 300ppm | 1.7to 11.4% |