Standard No.:	HJ 1453-2026
English Name:	Water quality— Determination of copper, lead, cadmium, nickel and chromium— Graphite furnace atomic absorption spectrophotometry
Chinese Name:	水质 铜、铅、镉、镍、铬的测定 石墨炉原子吸收分光光度法
Chinese Classification:	Z10    Environmental pollutant monitoring methods
Professional Classification:	HJ    Professional Standard - Environment
ICS Classification:	13.060.50 13.060.50    Examination of water for chemical substances 13.060.50
Source Content Issued by:	MEE
Issued on:	2026-01-20
Implemented on:	2026-5-1
Status:	to be valid
Target Language:	English
File Format:	PDF

本标准规定了测定水中铜、铅、镉、镍、铬的石墨炉原子吸收分光光度法。
本标准适用于地表水、地下水、生活污水和工业废水中铜、铅、镉、镍、铬的测定。
总铜、总铅、总镉、总镍和总铬的方法检出限分别为0.9 μg/L、0.7 μg/L、0.09 μg/L、1 μg/L和0.6 μg/L，测定下限分别为3.6 μg/L、2.8 μg/L、0.36 μg/L、4 μg/L和2.4 μg/L；溶解态铜、溶解态铅、溶解态镉、溶解态镍和溶解态铬的方法检出限分别为0.6 μg/L、0.6 μg/L、0.05 μg/L、1 μg/L和0.5 μg/L，测定下限分别为2.4 μg/L、2.4 μg/L、0.20 μg/L、4 μg/L和2.0 μg/L。