This standard is formulated for the purposes of enforcing the Environment Protection Law of the People’s Republic of China, protecting the environment, safeguarding the human health, and setting standards for the digestion of metal elements in soils and sediments. This standard specifies the microwave assisted acid digestion method for the digestion of 17 total metal elements in soils and sediments. This standard is the original version.

Soil and sediment-Digestion of total metal elements-Microwave assisted acid digestion method (HJ 832-2017)