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现行 ISO 15713:2006
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Stationary source emissions — Sampling and determination of gaseous fluoride content 固定源排放——气体氟化物含量的取样和测定
发布日期: 2006-06-09
ISO 15713:2006适用于测量烟囱或管道中携带的气体中夹带的气态氟化物。气态氟化物含量表示为烟道气中氟化氢的质量。 ISO 15713:2006适用于所有排放氟化物浓度低于200 mg/m3的气体的烟囱。它可以用于更高浓度,但在结果被视为有效之前,应检查起泡器的吸收效率。基于0.1 m3的样品体积,该方法的检测限估计为0.1 mg m-3。通过该方法测量在过滤温度下挥发性并在与水反应时产生可溶性氟化物的所有化合物。该方法不测量碳氟化合物。然后使用离子选择电极测量吸附剂溶液中氟化物的浓度。然后按照惯例将测量的氟化物的量表示为氟化氢,尽管这可能不反映所测量的化合物的化学性质。
ISO 15713:2006 is applicable to the measurement of the gaseous fluorides that are entrained in gases carried in stacks or ducts. The gaseous fluoride content is expressed as a mass of hydrogen fluoride in the stack gas. ISO 15713:2006 is applicable to all stacks emitting gases with fluoride concentrations of below 200 mg/m3. It can be used for higher concentrations, but then the absorption efficiency of the bubblers should be checked before the results can be regarded as valid. The detection limit of the method is estimated as 0,1 mg m-3, based on a sample volume of 0,1 m3. All compounds that are volatile at the filtration temperature and produce soluble fluoride compounds upon reaction with water are measured by this method. The method does not measure fluorocarbons. The concentration of fluoride in the adsorbent solution is then measured using an ion selective electrode. The amount of fluoride measured is then expressed as hydrogen fluoride by convention, though this may not reflect the chemical nature of the compounds, which are measured.
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归口单位: ISO/TC 146/SC 1
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