产品分类
PRODUCT CENTER
联系我们
销售电话：时经理
18121126516
021-64835787
产品详情
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 Methylcychlohexanone，甲基环乙醇检测管119 Methylcychlohexanol，甲基溴检测管136LA Methyl
详情介绍：
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% |