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甲醇检知管111LL CH3OH
点击次数：234发布时间：2012/3/20 10:48:04
更新日期：2012/9/21 14:20:44
所 在 地：其它
产品型号：111LL
相关标签：
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详细内容
简单介绍
甲醇检知管111LL CH3OH，Measuring Range 2 to 20ppm 20 to 56ppm，苯酚检测管60 Phenol C6H5OH，二氯甲烷检测管138 Methylene chloride，甲基环丙酮气体检测管155 Methylcychlohexa，甲基环乙醇检测管119 Methylcychlohexanol，甲基溴检测管136LA Methyl
甲醇检知管111LL CH3OH
的详细介绍甲醇检知管111LL CH3OH
Methanol No.111LL
CH3OH
| Performance |
| Measuring Range | 2to 20ppm | 20to 56ppm |
| Number of PumpStrokes | 4 | 2 |
| Correction Factor | 1 | 2.8 |
| Sampling Time | 2 minutes per pumpstroke | |
| Detecting Limit | 0.2 ppm （n=4） | |
| Color Change | Pale yellow → Palebluish green | |
| Reaction Principle | CH3OH + Cr6+ + H2SO4 → Cr3+ | |
| Coefficient ofVariation | 15% （for 2 to 5 ppm）,10% （for 5 to 20 ppm） | |
| ShelfLife | 2Years | |
| Correctionsfor temperature & humidity | Temperature correction is necessary | |
| Store the tubes at cool ａnd darkplace. | ||
| Possible coexisting substances ａnd theirinterferences | （NOTE） |
| Substance | Concentration | Interference | Change color by itself |
| Alcohols | - | Plus error | Produce similar stainby themselves |
| Aromatichydrocarbons | - | Plus error | Produce similarstain by themselves |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Static gas dilutionmethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 200ppm | 250ppm | 6 to36% |
