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乙酸检测管81D Acetic acid CH3CO2H，检测范围Measuring Range 0.5 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.2 ppm (10 hours) 乙酸检测管价格，乙酸检测管81D Acetic acid CH3CO2H
详情介绍：
乙酸检测管81D Acetic acid CH3CO2H
Acetic acid No.81D
CH3CO2H
| Performance |
Measuring Range | 0.5 to 100 ppm |
Sampling Hours | 1 to 10 hours |
Detecting Limit | 0.2 ppm (10hours) |
Color Change | Purple →Yellow |
Reaction Principle | CH3CO2H + NaOH →CH3CO2Na |
| Coefficient ofVariation | 5%(for 5 to 20 ppm-hr), 10% (for 20 to 100 ppm-hr) |
| ShelfLife | 3 Year |
| Correctionsfor temperature & humidity | Temperature correction isnecessary |
| Store the tubes atcool and dark place. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Interference | Change colour byitself to |
Hydrogen chloride,Nitric Acid | + | Yellow |
| Chlorine, Nitrogen dioxide | + | Yellow |
Hydrogen cyanide, Sulphurdioxide | + | Yellow |
| Othersubstance measurable with this detectortube |
Substance | CorrectionFactor | SamplingTime | MeasuringRange |
Formic acid | Factor: 1.1 | 1 to 10 | 0.55 to 110ppm |
Aceticanhydride | Factor: 0.6 | 1 to 10 | 0.3 to 60ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 10 ppm | 15ppm | 4 to19.9% |