HG/T 4517-2013
Sodium selenite for industrial use
HG 2937-1999
Feed grade sodium selenite
GB/T 44971-2024
Soil selenium grade
GB 1903.9-2015
SN/T 4060-2014
Determination of seleniate and selenite in export health care products
HG/T 4697-2014
GB 7300.302-2019
Feed additives—Part 3:Minerals and their complexes (or chelates)—Sodium selenite
DB41/T 1871-2019
DB61/T 556-2018
DB5325/T 104-2023
DB36/T 566-2017
DB13/T 2702-2018
HG/T 4698-2014
GB 1903.56-2022
DB45/T 2578-2022
DB37/T 4461-2021
DB37/T 4462-2021
DB34/T 2578-2015
MT/T 1028-2006
Classification for selenium in coal
DB45/T 2109-2019