首页> 外文期刊>The Annals of Occupational Hygiene >Weighing Imprecision and Handleability of the Sampling Cassettes of the IOM Sampler for Inhalable Dust
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Weighing Imprecision and Handleability of the Sampling Cassettes of the IOM Sampler for Inhalable Dust

机译:用于可吸入粉尘的IOM采样器的采样盒的称量不精确度和可操作性

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摘要

The weight stability of the sampling cassette of the IOM sampler for inhalable dust was tested in several weighing experiments. The results show that the reliability of repeated weighings was good, but the absorption of water vapour was slow and varied considerably among cassette specimen. The exponential time constant for water absorption was approxi- mately 4 days, and 15-20 days were needed to obtain weight stability.
机译:在多个称量实验中测试了用于可吸入粉尘的IOM采样器的采样盒的重量稳定性。结果表明,重复称量的可靠性良好,但盒式标本中水蒸气的吸收缓慢且变化很大。吸水的指数时间常数约为4天,需要15至20天才能获得重量稳定性。

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