甲乙酮检测管152
- 型号:152
- 产地:其它
- 供应商:上海豫东电子有限公司
- 供应商报价:电议
- 标签:甲乙酮检测管152,供应甲乙酮检测管152,上海豫东电子有限公司

| Performance |
| Measuring Range | 0.02 to 0.6% |
| Number of PumpStrokes | 2 |
| CorrectionFactor | 1 |
| Sampling Time | 2 minutes per pumpstroke |
| Detecting Limit | 0.002% (n=2) |
| Color Change | Orange → Darkgreen |
| Reaction Principle | CH3COC2H5 + Cr6+ + H2SO4 + → Cr3+ |
| Coefficient ofVariation | 10% (for 0.02 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 | 500ppm | Plus error | Produce greenstain |
| Hydrogensulfide | 500ppm | Plus error | Produce darkgreen |
| Alcohols, Esters,Ketones | - | Plus error | Produce darkgreen |
| Propane | 2000ppm | Yes | Produce darkgreen for whole layer |
| Aromatic HCs. | 500ppm | Plus error | Produce darkgreen |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Static gas dilutionmethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 200ppm | 300ppm | 1.7to 11.4% |