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现行 BS ISO 14966:2019
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Ambient air. Determination of numerical concentration of inorganic fibrous particles. Scanning electron microscopy method 环境空气 无机纤维颗粒数值浓度的测定 扫描电子显微镜法
发布日期: 2019-12-17
本文件规定了使用扫描电子显微镜测定空气中无机纤维颗粒浓度的方法。该方法规定了使用镀金、毛细管孔、轨迹蚀刻膜过滤器,通过该过滤器可吸入已知体积的空气。使用能量色散X射线分析,该方法可以区分成分与石棉品种(例如蛇纹石和角闪石)、石膏和其他无机纤维一致的纤维。附录C总结了可测量的纤维类型。 本文件适用于测量水中无机纤维颗粒的浓度 环境空气。该方法也适用于测定无机物的数值浓度 建筑物内部大气中的纤维颗粒,例如用于确定浓度 去除含石棉产品后残留的空气中无机纤维颗粒。交叉引用:VDI 3492:2013-06VDI-Bericht 475ISO 10312VDI 3866第5部分:2017-06VDI 3866购买时可用的所有当前修订均包含在本文件的购买中。
This document specifies a method using scanning electron microscopy for determination of the concentration of inorganic fibrous particles in the air. The method specifies the use of gold-coated, capillary-pore, track-etched membrane filters, through which a known volume of air has been drawn. Using energy-dispersive X-ray analysis, the method can discriminate between fibres with compositions consistent with those of the asbestos varieties (e.g. serpentine and amphibole), gypsum, and other inorganic fibres. Annex C provides a summary of fibre types which can be measured. This document is applicable to the measurement of the concentrations of inorganic fibrous particles in ambient air. The method is also applicable for determining the numerical concentrations of inorganic fibrous particles in the interior atmospheres of buildings, for example to determine the concentration of airborne inorganic fibrous particles remaining after the removal of asbestos-containing products.Cross References:VDI 3492:2013-06VDI-Bericht 475ISO 10312VDI 3866-Part 5:2017-06VDI 3866All current amendments available at time of purchase are included with the purchase of this document.
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发布单位或类别: 英国-英国标准学会
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