ISO 15202-1:2020 工作场所空气 用电感耦合等离子体原子发射光谱测定空气微粒物质中的金属和类金属 第1部分：采样

标准编号：ISO 15202-1:2020

中文名称：工作场所空气 用电感耦合等离子体原子发射光谱测定空气微粒物质中的金属和类金属 第1部分：采样

英文名称：Workplace air — Determination of metals and metalloids in airborne particulate matter by inductively coupled plasma atomic emission spectrometry — Part 1: Sampling

发布日期：2020-06

标准范围

本文件规定了一种收集空气中颗粒物样品的方法，用于随后使用电感耦合等离子体原子发射光谱法（ICP-AES）测定金属和准金属。使用本文所述的方法获得的样品也可以随后通过其他仪器方法如原子吸收光谱法(AAS)或电感耦合等离子体质谱法(ICP-MS)分析元素组成。该方法不适用于汞的取样，汞在环境温度下以气相存在于空气中；作为永久气体的金属和准金属的无机化合物，例如砷化氢(AsH3)；或在环境温度下以气相存在的金属和准金属的无机化合物，例如三氧化二砷(As2O3)。注意:尽管该方法没有描述收集存在于气相中的金属和准金属的无机化合物的方法，但在大多数情况下，这通过使用已经预处理以捕获所关注的化合物的备用过滤器相对容易地实现，例如浸渍有碳酸钠的备用纸垫适用于收集三氧化二砷(参见ISO 11041[2])。该方法适用于ISO 7708中定义的空气传播颗粒的可吸入、胸部或可吸入部分的个人采样，以及静态采样。本文件不包括表面或散装材料的取样。关于表面样品收集的指南可在ASTM D7659[7]中找到。

This document specifies a method for collecting samples of airborne particulate matter for subsequent determination of metals and metalloids using inductively coupled plasma — atomic emission spectrometry (ICP-AES). Samples obtained using the method described herein can also be subsequently analysed for elemental composition by other instrumental methods, such as atomic absorption spectrometry (AAS) or inductively coupled plasma mass spectrometry (ICP-MS).The method is not applicable to the sampling of mercury, which is present in air in the vapour phase at ambient temperatures; inorganic compounds of metals and metalloids that are permanent gases, e.g. arsine (AsH₃); or inorganic compounds of metals and metalloids that are present in the vapour phase at ambient temperatures, e.g. arsenic trioxide (As₂O₃).NOTE Although the method does not describe a means of collecting inorganic compounds of metals and metalloids that are present in the vapour phase, in most instances this is relatively easily to achieve by using a back-up filter which has been pre-treated to trap the compound(s) of interest, e.g. a back-up paper pad impregnated with sodium carbonate is suitable for collecting arsenic trioxide (see ISO 11041^[2]).The method is applicable to personal sampling of the inhalable, thoracic or respirable fraction of airborne particles, as defined in ISO 7708, and to static sampling.This document excludes sampling of surfaces or bulk materials. Guidance on collection of samples for surfaces may be found in ASTM D7659^[7].

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