This International Standard provides comprehensive guidance and specific statistical procedures for uncertainty estimation in air quality measurements including measurements of ambient air, stationary source emissions, indoor air, workplace atmospheres and meteorology. It applies the general recommendations of the Guide to the Expression of Uncertainty in Measurement (GUM) to boundary conditions met in air quality measurement. The boundary conditions considered include measurands varying rapidly in time, as well as the presence of bias in a series of observations obtained under conditions of intended use of methods of air quality measurement. The methods of measurement considered comprise -- methods corrected for systematic effects by repeated observation of reference materials, -- methods calibrated by paired measurement with a reference method, -- methods not corrected for systematic effects because they are unbiased by design, and -- methods not corrected for systematic effects in intended use deliberately taking into account a bias. Experimental data for uncertainty estimation can be provided either by a single experimental design in a direct approach or by a combination of different experimental designs in an indirect approach.
DIN EN ISO 20988-2007由德国标准化学会 DE-DIN 发布于 2007-09。
DIN EN ISO 20988-2007 在中国标准分类中归属于: Z15 大气环境有毒害物质分析方法,在国际标准分类中归属于: 13.040.01 空气质量综合。
非常抱歉,我们暂时无法提供预览,您可以试试: 免费下载 DIN EN ISO 20988-2007 前三页,或者稍后再访问。
点击下载后,生成下载文件时间比较长,请耐心等待......
Copyright ©2007-2022 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证:京ICP证110310号