101L 汽油检测管101L CnHm Gasoline
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- 公司名称 上海仪在机电科技有限公司
- 品牌
- 型号 101L
- 产地
- 厂商性质 经销商
- 更新时间 2015/5/29 15:20:02
- 访问次数 468
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汽油检测管101L CnHm Gasoline
的详细介绍
汽油检测管101L CnHm Gasoline
Gasoline 01L
CnHm
| Performance |
| Measuring Range | 30 to 1000 ppm | 1000 to 2000ppm |
| Number of Pump Strokes | 2 | 1 |
| Correction Factor | 1 | 2 |
| Sampling Time | 2 minutes per pumpstroke | |
| Detecting Limit | 5 ppm （n=2） | |
| Color Change | Brownish yellow →Dark green | |
| Reaction Principle | CnHm + Cr6++ H2SO4 → Cr3+ | |
| Coefficient ofVariation | 10% （for 30 to 300ppm）, 5% （for 300 to 1000 ppm） | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Unnecessary | |
| Store the tubes at cool and darkplace. | ||
| Possible coexisting substances and theirinterferences | （NOTE） |
| Substance | Concentration | Interference | Change color by itself |
| Hydrogen sulfide | - | Plus error | Dark brown |
| Acetylene | - | Plus error | Dark brown |
| Aromatic HCs | - | Pluserror | Darkgreen |
| Esters,Ethers,Alcohols | - | Pluserror | Darkgreen |
| Sulfur dioxide | - | Pluserror | Darkgreen |
Organic solvents（ C3） | - | Pluserror | Darkgreen |
| Othersubstance measurable with this detector tube |
| Substance | Correction | No. of PumpStrokes | MeasuringRange |
| Allylchloride | Factor: 34 | 1/2 | 0.1 to 3.4% |
| Heptane | Factor: 1.0 | 1 or 2 | 30 to 2000 ppm |
| Isobutene | Factor: 22 | 1 | 0.07 to2.2% |
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