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醋酸异丁酯检测管144
点击次数：203发布时间：2012/3/20 10:56:05
更新日期：2012/9/21 14:20:27
所 在 地：其它
产品型号：144
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简单介绍
醋酸异丁酯检测管144 Isoamyl acetate，Measuring Range 10 to 300 ppm Number of Pump Strokes 2 Correction Factor 1 Sampling Time 4 minutes per pump stroke Detecting Limit 2 ppm （n=2） Color Change
醋酸异丁酯检测管144 Isoamyl acetate
的详细介绍醋酸异丁酯检测管144 Isoamyl acetate
Isoamyl acetate No.144
CH3CO2（CH2）2CH（CH3）2（i-CH3CO2C5H11）
| Performance |
| MeasuringRange | 10 to 300 ppm |
| Number of PumpStrokes | 2 |
| CorrectionFactor | 1 |
| SamplingTime | 4 minutes per pumpstroke |
| DetectingLimit | 2 ppm （n=2） |
| ColorChange | Yellow → Blackishbrown → Pale blue after few minutes |
| ReactionPrinciple | CH3CO2CH2CH（CH3）2 + Cr6+ + H2SO4 → Cr3+ |
| Coefficient ofVariation | 15% （for 10 to 100ppm）, 10% （for 100 to 300 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 | - | Plus error | Produce blackishbrown |
| Ketones | - | Plus error | Produce blackishbrown |
| Esters | - | Plus error | Produce blackishbrown |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 150ppm | - | 1.3 to 10.5% |
