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醋酸异丙酯检测管146 Isoamyl acetate，Measuring Range 10 to 500 ppm，红外线加热板，滴定仪，多功能消解器，蒸馏水器，旋转蒸发仪，超纯水器，多功能测量仪，均质器，气体发生器，分光光度计，环境空气质量监测系统，微生物采样器，气体采集器，颗粒物采样器，大气采样器，湿化学采样器/CO2检测仪，氧气检测仪，硫化氢检测仪，VOC检测仪，多气体检测仪，甲醛检测仪
详情介绍：
醋酸异丙酯检测管146 Isoamyl acetate
Isoamyl acetate No.146
CH3CO2CH(CH3)2(i-CH3CO2C3H7)
| Performance |
MeasuringRange | 10 to 500 ppm |
Number of PumpStrokes | 2 |
Correction Factor | 1 |
SamplingTime | 4 minutes perpump stroke |
DetectingLimit | 5 ppm(n=2) |
Color Change | Yellow → Blackishbrown → Pale blue after few minutes |
Reaction Principle | CH3CO2CH(CH3)2+ Cr6+ + H2SO4 → Cr3+ |
| Coefficient ofVariation | 15% (for 5 to 50ppm), 10% (for 50 to 150 ppm) |
| ShelfLife | 2 Years |
| 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 | + | Blackish brown thenturns to pale blue | |
Ketones |
| + | Blackish brown then turns topale blue |
| Esters
|
| + | Blackish brown then turns topale blue |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 100 ppm | 200 ppm | 1.8 to8% |