ISO 16017-1:2000 室内,周围环境和工作场所的空气-通过吸附管/热解吸附/毛细气体色谱法对挥发性有机化合物的取样和分析-第一部分：抽吸取样

标准编号：ISO 16017-1:2000

中文名称：室内,周围环境和工作场所的空气-通过吸附管/热解吸附/毛细气体色谱法对挥发性有机化合物的取样和分析-第一部分：抽吸取样

英文名称：Indoor, ambient and workplace air — Sampling and analysis of volatile organic compounds by sorbent tube/thermal desorption/capillary gas chromatography — Part 1: Pumped sampling

发布日期：2000-11

标准范围

ISO 16017的本部分给出了挥发性有机化合物（VOCs）取样和分析的一般指南在空中。本标准适用于环境、室内和工作场所的大气环境，以及空气排放的评估小型或全尺寸试验箱中的材料。ISO 16017的本部分适用于广泛的挥发性有机化合物，包括碳氢化合物、卤代烃、，酯、乙二醇醚、酮和醇。建议使用多种吸附剂1）对样品进行取样这些挥发性有机化合物，每种吸附剂都有不同的适用范围。极性化合物通常需要衍生化、极低沸点的化合物仅部分被吸附剂保留，具体取决于环境温度温度，只能定性估计。半挥发性化合物将完全保留在吸附剂，但只能部分回收。ISO 16017本部分测试过的化合物为在表格中给出。ISO 16017的这一部分可能适用于未列出的化合物，但在这些情况下是适用的建议使用含有相同或更强吸附剂的备用管。ISO 16017的本部分适用于在以下浓度范围内测量挥发性有机化合物的气载蒸汽:单个化合物约为0.5μg/m3至100 mg/m3。有效范围的上限由所用吸附剂的吸附容量和线性动力学方程设定气相色谱仪柱和检测器的范围或分析仪器的样品拆分能力使用的仪器。吸附容量是以空气的穿透体积来测量的，它决定了取样时不得超过的最大空气量。有效范围的下限取决于检测器的噪声水平以及分析物和/或样品的空白水平吸附管上的干扰人工制品。对于条件良好的Tenax GR和碳质吸附剂，如Carbopack/Carbotrap型材料、碳化分子筛和分子筛筛，如Spherocarb或纯木炭；Tenax TA的低纳克水平和Tenax TA的5纳克至50纳克水平其他多孔聚合物，如Chromosorbs和Porapaks。对于10升，灵敏度通常限制在0.5微克/米由于其固有的高背景，空气样本中含有后一组吸附剂。ISO 16017本部分规定的程序适用于低流量个人取样泵，并给出时间加权平均结果。它不适用于瞬时或短期波动的测量全神贯注。1） 本国际标准附录C和其他地方所列的吸收剂是指已知性能符合这是ISO 16017的一部分。由商标名称标识的每种吸附剂或产品都是唯一的，并且有唯一的制造商；然而，它们可以从许多不同的供应商处获得。提供此信息是为了方便本网站的用户是ISO 16017的一部分，不构成ISO对指定产品的认可。如有必要，可使用同等产品它们可以被证明会导致相同的结果。

This part of ISO 16017 gives general guidance for the sampling and analysis of volatile organic compounds (VOCs)in air. It is applicable to ambient, indoor and workplace atmospheres and the assessment of emissions frommaterials in small- or full-scale test chambers.This part of ISO 16017 is appropriate for a wide range of VOCs, including hydrocarbons, halogenated hydrocarbons,esters, glycol ethers, ketones and alcohols. A number of sorbents 1) are recommended for the sampling ofthese VOCs, each sorbent having a different range of applicability. Very polar compounds will generally requirederivatization, very low boiling compounds will only be partially retained by the sorbents, depending on ambienttemperature, and can only be estimated qualitatively. Semi-volatile compounds will be fully retained by thesorbents, but may only be partially recovered. Compounds for which this part of ISO 16017 has been tested aregiven in tables. This part of ISO 16017 may be applicable to compounds not listed, but in these cases it isadvisable to use a back-up tube containing the same or a stronger sorbent.This part of ISO 16017 is applicable to the measurement of airborne vapours of VOCs in a concentration range ofapproximately 0,5 _g/ m3 to 100 mg/m3 individual compound.The upper limit of the useful range is set by the sorptive capacity of the sorbent used and by the linear dynamicrange of the gas chromatograph column and detector or by the sample-splitting capability of the analyticalinstrumentation used. The sorptive capacity is measured as a breakthrough volume of air, which determines themaximum air volume that shall not be exceeded when sampling.The lower limit of the useful range depends on the noise level of the detector and on blank levels of analyte and/orinterfering artefacts on the sorbent tubes. Artefacts are typically sub-nanogram for well-conditioned Tenax GR andcarbonaceous sorbents such as Carbopack/Carbotrap type materials, carbonized molecular sieves and molecularsieves such as Spherocarb, or pure charcoal; at low nanogram levels for Tenax TA and at 5 ng to 50 ng levels forother porous polymers such as Chromosorbs and Porapaks. Sensitivity is typically limited to 0,5 _g/m_ for 10-litreair samples with this latter group of sorbents because of their inherent high background.The procedure specified in this part of ISO 16017 is applicable to low flowrate personal sampling pumps and givesa time-weighted average result. It is not applicable to the measurement of instantaneous or short-term fluctuationsin concentration.1) The sorbents listed in annex C and elsewhere in this International Standard are those known to perform as specified underthis part of ISO 16017. Each sorbent or product that is identified by a trademarked name is unique and has a sole manufacturer;however, they are widely available from many different suppliers. This information is given for the convenience of users of thispart of ISO 16017 and does not constitute an endorsement by ISO of the product named. Equivalent products may be used ifthey can be shown to lead to the same results.

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