This standard is formulated for the purposes of enforcing the Environment Protection Law of the People’s Republic of China and Radioactive Pollution Prevention and Control Law of the People’s Republic of China, strengthening the environmental quality management, and setting standards for environmental monitoring. This standard specifies the analytical methods for 131I in water, milk, plant and animal thyroid gland.

Analytical method for 131I in water, milk, plant and animal thyroid gland

(HJ 841-2017, replacing GB/T13272-91, GB/T14674-93, GB/T13273-91)