(HJ 924-2017, 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 and Water Pollution Prevention and Control Law of the People’s Republic of China, protecting the environment, safeguarding the human health, and specifying the technical requirement and test procedures for rapid COD photometric analyzers.
Technical requirement and test procedures for rapid COD photometric analyzer (HJ 924-2017)