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简单介绍:
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% |