Standard No.:	HJ 1412-2025
English Name:	Ambient air―Source apportionment on particulate matter―Technical specifications for automatic weighing method of sampling filter for particles
Chinese Name:	环境空气 颗粒物来源解析 颗粒物滤膜自动称量技术规范
Chinese Classification:	Z10/39
Professional Classification:	HJ    Professional Standard - Environment
ICS Classification:	13.040.20 13.040.20    Ambient atmospheres 13.040.20
Source Content Issued by:	MEE
Issued on:	2025-05-21
Implemented on:	2025-8-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	4500 words
Translation Price(USD):	135.0
Delivery:	via email in 1~3 business day

本标准规定了采用自动称量系统进行滤膜称量的基本要求、操作规范、校准核查、质量保证和质量控制等技术要求。
本标准适用于环境空气颗粒物来源解析工作中滤膜的自动称量，其他工作中的滤膜自动称量可参照本标准执行。