Standard No.:	HJ 1456-2026
English Name:	Water quality — Determination of the acute toxicity — Inhibition of the mobility of daphnia (Daphnia magna Straus) method
Chinese Name:	水质 急性毒性的测定 大型溞活动抑制法
Chinese Classification:	Z10    Environmental pollutant monitoring methods
Professional Classification:	HJ    Professional Standard - Environment
ICS Classification:	13.060.70 13.060.70    Examination of biological properties of water 13.060.70
Source Content Issued by:	MEE
Issued on:	2026-01-20
Implemented on:	2026-5-1
Status:	to be valid
Superseding:	GB/T 13266-1991 Water quality-Determination of the acute toxicity of substance to daphnia.(Daphnia magna straus)
Target Language:	English
File Format:	PDF

本标准规定了测定水质急性毒性的大型溞活动抑制法。
本标准适用于地表水、地下水、生活污水和工业废水对大型溞急性毒性最低无效应稀释倍数（LID）和半数效应浓度（EC50）的测定。