Standard No.:	T/HNCAA 066-2025
English Name:	Determination of formaldehyde in indoor air of civil building
Chinese Name:	民用建筑室内空气中甲醛的测定
Chinese Classification:	P01    Technical management
Professional Classification:	T/    Social Organization Standard
ICS Classification:	91.010.30 91.010.30    Technical aspects 91.010.30
Source Content Issued by:	Henan Certification and Accreditation Association
Issued on:	2025-07-08
Implemented on:	2025-8-1
Status:	valid
Target Language:	English
File Format:	PDF

本文件描述了民用建筑室内空气中甲醛测定的方法。
本文件采样流量为 1 L/min，采样体积为 20 L，测定浓度范围为 0. 01 mg/m3~0. 16 mg/m3；大气中共存的二氧化氮和二氧化硫对测定无干扰。
本文件适用于新建、扩建和改建的民用建筑室内空气中甲醛的测定。