中华人民共和国国家生态环境标准HJ1263—2022环境空气总悬浮颗粒物的测定重量法Ambientair—Determinationoftotalsuspendedparticle—Gravimetricmethod本电子版为正式标准文本，由生态环境部环境标准研究所审校排版。2022-07-14发布2023-01-15实施生态环境部发布HJ1263—2022i目次前言.................................................................................................................................................................ii1适用范围........................................................................................................................................................12规范性引用文件.............................................................................................................................................13术语和定义....................................................................................................................................................14方法原理........................................................................................................................................................15试剂和材料....................................................................................................................................................26仪器和设备....................................................................................................................................................27样品................................................................................................................................................................28分析步骤........................................................................................................................................................39结果计算与表示.............................................................................................................................................310精密度......................................................................................................................
