Standard No.:	HJ 37-2026
English Name:	Stationary source emission—Determination of acetonitrile and acrylonitrile—Activated charcoal adsorption/solvents desorption-gas chromatography
Chinese Name:	固定污染源废气 乙腈和丙烯腈的测定 活性炭吸附/溶剂解吸-气相色谱法
Chinese Classification:	Z10    Environmental pollutant monitoring methods
Professional Classification:	HJ    Professional Standard - Environment
ICS Classification:	13.040.99 13.040.99    Other standards related to air quality 13.040.99
Source Content Issued by:	MEE
Issued on:	2026-01-20
Implemented on:	2026-8-1
Status:	to be valid
Superseding:	HJ/T 37-1999 Stationary source emission -- Determination of acrylonitrile -- Gas chromatography
Target Language:	English
File Format:	PDF

本标准规定了测定固定污染源有组织排放废气和无组织排放监控点空气中乙腈和丙烯腈的活性炭吸附/溶剂解吸-气相色谱法。
本标准适用于固定污染源有组织排放废气和无组织排放监控点空气中乙腈和丙烯腈的测定。
固定污染源有组织排放废气采样体积为10 L，解吸液体积为8.00 mL时，乙腈和丙烯腈的方法检出限分别为0.3 mg/m3和0.2 mg/m3，测定下限分别为1.2 mg/m3和0.8 mg/m3；无组织排放监控点空气采样体积为30 L，解吸液体积为8.00 mL时，乙腈和丙烯腈的方法检出限分别为0.09 mg/m3和0.07 mg/m3，测定下限分别为0.36 mg/m3和0.28 mg/m3。