河南省鑫屬實業(yè)有限公司
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產(chǎn)品型號81D
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更新時間:2026-03-11 13:24:35瀏覽次數(shù):680次
聯(lián)系我時,請告知來自 儀表網(wǎng)乙酸檢測管81D Acetic acid CH3CO2H,檢測范圍Measuring Range 0.5 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.2 ppm (10 hours) 乙酸檢測管價格,
的詳細介紹
| 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-S | Explosive range |
| 10 ppm | 15ppm | 4 to19.9% |
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