Standard No.:	HJ 1426-2025
English Name:	Soil and sediment—Determination of cadmium—Direct solid sampling/ Graphite furnace atomic absorption spectrophotometry
Chinese Name:	土壤和沉积物 镉的测定 固体直接进样/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
Source Content Issued by:	MIIT
Issued on:	2025-12-22
Implemented on:	2026-7-1
Status:	to be valid
Target Language:	English
File Format:	PDF

本标准规定了测定土壤和沉积物中镉的固体直接进样/石墨炉原子吸收分光光度法。
本标准适用于土壤和沉积物中镉的测定。
当取样量为0.5 mg时，方法的检出限为0.02 mg/kg，测定下限为0.08 mg/kg。测定上限为2.40 mg/kg，超过此限时须调整取样量后测定。