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简单介绍：
乙醇检测管112D C2H5OH Ethanol，Measuring Range 100 to 25000 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.05 ppm (10 hours) Color Change Yellow，乙醇检测管价格
详情介绍：
乙醇检测管112D C2H5OH Ethanol
Ethanol No.112D
C2H5OH
| Performance |
Measuring Range | 100 to 25000ppm |
Sampling Hours | 1 to 10 hours |
Detecting Limit | 0.05 ppm (10hours) |
Color Change | Yellow→ Brown |
Reaction Principle | C2H5OH +Cr6++H2SO4 →Cr3+ |
| Coefficient ofVariation | 15%(for 1000 to 3000 ppm-hr), 10% (for 3000 to 25000ppm-hr) |
| ShelfLife | 3 Year |
| Correctionsfor temperature & humidity | Unnecessary |
| Store the tubes atcool and dark place. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Methanol,Esters | No | No | |
| Isopropyl alcohol | + | Brown |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 1000 ppm | - | 3.3to 19% |