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简单介绍：
乙醚检测管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
详情介绍：
乙醚检测管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% |