基本信息
文件名称：GB/T 45795-2025大气颗粒物PM10、PM2.5质量浓度观测　光散射法.pdf
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更新时间：2025-07-02
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文档摘要

ICS07.060

CCSA47

中华人民共和国国家标准

GB/T45795—2025

大气颗粒物PM10、PM2.5质量浓度观测

光散射法

DeterminationofPM10/PM2.5massconcentrationinatmosphere—

Lightscatteringmethod

2025?05?30发布2025?12?01实施

国家市场监督管理总局

发布

国家标准化管理委员会

GB/T45795—2025

目次

前言··························································································································Ⅲ

1范围·······················································································································1

2规范性引用文件········································································································1

3术语和定义··············································································································1

4原理与系统构成········································································································2

4.1原理与计算方法··································································································2

4.2系统构成···········································································································3

5测量仪器·················································································································3

6测量环境·················································································································4

6.1室内环境···········································································································4

6.2室外环境·······························································································