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甲基异丁基酮检测管153
点击次数：188发布时间：2012/3/20 10:40:41
更新日期：2012/9/21 14:20:44
所 在 地：其它
产品型号：153
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详细内容
甲基异丁基酮检测管153
的详细介绍甲基异丁基酮检测管153
Methyl isobutyl ketone No.153
（CH3）CHCH2COCH3
| Performance |
| Measuring Range | 0.05 to 0.6% |
| Number of Pump Strokes | 2 |
| Correction Factor | 1 |
| Sampling Time | 1.5 minutes per pumpstroke |
| Detecting Limit | 0.001% （n=2） |
| Color Change | Orange→Darkgreen |
| Reaction Principle | （CH3）2CHCH2COCH3+ Cr6+ + H2SO4 → Cr3+ |
| Coefficient ofVariation | 10% （for 0.05 to 0.2%）, 5% （for 0.2 to 0.6 %） |
| ShelfLife | 3 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 |
| Sulfurdioxide | 500 ppm | Plus error | Discolorsgreen |
| Hydrogensulfide | 500 ppm | Plus error | Discolors darkgeen |
| Alcohols,Esters,Ketones | - | Plus error | Discolors greenishbrown |
| Propane | 0.2% | Cannot measure | Produce dark greenfor whole layer |
| Aromatic HCs | 500 ppm | Plus error | Discolors Greenishbrown |
5000 ppm）| Othersubstance measurable with this detector tube |
| Substance | CorrectionFactor | PumpStroke | MeasuringRange |
| Styrene | 1.5 | 1 | 0.075 to0.9% |
| Calibration gasgeneration | Static gas dilutionmethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 50ppm | 75ppm | 1.2to 8% |
