产品展示
乙酸乙酯气体检测管141
点击次数：168发布时间：2012/3/20 11:26:35
更新日期：2014/4/30 16:29:59
所 在 地：其它
产品型号：141
相关标签：
优质供应
详细内容
简单介绍
乙酸乙酯气体检测管141 Ethyl acetate，Measuring Range 0.1 to 1.5% Number of Pump Stroke 1 Correction Factor 1 Sampling Time 2 minutes per pump stroke 乙酸乙酯141 Ethyl acetate CH3CO2C2H5
乙酸乙酯气体检测管141 Ethyl acetate
的详细介绍乙酸乙酯气体检测管141 Ethyl acetate
Ethyl acetate No.141
CH3CO2C2H5
| Performance |
| MeasuringRange | 0.1 to 1.5% |
| Number of PumpStroke | 1 |
| CorrectionFactor | 1 |
| SamplingTime | 2 minutes per pumpstroke |
| DetectingLimit | 0.01% （n=1） |
| ColorChange | Orange → Darkgreen |
| ReactionPrinciple | CH3CO2C2H5 + Cr6+ H2SO4 → Cr3+ |
| Coefficient ofVariation | 10% （for 0.04 to 0.3%）, 5% （for 0.3 to 1.5 %） |
| 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 darkgreen |
| Alcohols, Esters,Ketones | Plus error | Discolors darkgreen | |
| Propane | 0.2% | Plus error | Dark green （wholelayer） |
| Aromatic HCs | 500 ppm | Plus error | Discolors darkgreen |
| Othersubstance measurable with this detector tube |
| Substance | Correction | Pump Strokes | Measuring Range |
| Vinyl acetate | Factor: 0.6 | 1 | 0.02 to0.9% |
| Calibration gasgeneration | Static gas dilutionmethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 400ppm | - | 2 to11.5% |
