产品展示
乙醚检测管161L
点击次数：198发布时间：2012/3/20 11:19:21
更新日期：2014/4/30 16:30:15
所 在 地：其它
产品型号：161L
相关标签：
优质供应
详细内容
简单介绍
检测管161L Ethylether（无水），Measuring Range 10 to 400 ppm 400 to 1200 ppm Number of Pump Strokes 2 1 Correction Factor 1 3 Sampling Time 4 minutes per pump stroke Detecting
检测管161L Ethylether
的详细介绍检测管161L Ethylether
Ethylether No.161L
（C2H5）2O
| Performance |
| Measuring Range | 10 to 400 ppm | 400 to 1200ppm |
| Number of PumpStrokes | 2 | 1 |
| CorrectionFactor | 1 | 3 |
| Sampling Time | 4 minutes per pumpstroke | |
| Detecting Limit | 2 ppm （n=2） | |
| Color Change | Yellow → Paleblue | |
| Reaction Principle | （C2H5）2O+ Cr6+ + H2SO4 → Cr3+ | |
| Coefficient ofVariation | 10% （for 10 to 100ppm）, 5% （for 100 to 400 ppm） | |
| ShelfLife | 2Years | |
| 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 pale bluediscoloration |
| Esters | - | Plus error | Produce pale bluediscoloration |
| Ketones | - | Plus error | Produce pale bluediscoloration |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 400ppm | 500ppm | 1.9to 4 8% |
