ISO 10473-2000 环境空气 滤膜介质上颗粒物质量测量 β射线吸收法

标准号：ISO 10473-2000
中文标准名称：环境空气 滤膜介质上颗粒物质量测量 β射线吸收法
英文标准名称：Ambient air - Measurement of the mass of particulate matter on a filter medium - Beta-ray absorption method
标准类型：Z04
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Z04
国际标准分类号：13.040.20
适用范围：This International Standard describes a method for the measurement of the mass of participate matter in ambient air and is based on the absorption of beta rays by the particulate matter. This method applies to the determination of concentrations ranging from a few micrograms per cubic metre to a few milligrams per cubic metre contained in the atmospheres of urban, rural or industrial areas. The lower mass detection limit of the method is usually 15 μg to 30 μg of deposited mass per square centimetre of surface area, S, of the filter. This means, for a sampling time t of 3 h and a flowrate q of 1 m