(HJ 923-2017, entry into force on 4/1/2018)
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 determination of total mercury in soils and sediments. This standard specifies the catalytic pyrolysis-cold atomic absorption spectrophotometry used to determine total mercury in soils and sediments. The Appendix A to this standard is referential. This standard is the original version.
(This English version is for your reference only.In case any discrepancy exists between the Chinese and English context, the Chinese version shall prevail.)