2018GB/T 23936-2018 Sodium hexafluorosilicate for industrial use
2009GB/T 23936-2009 Sodium hexafluorosilicate for industrial use
GB/T 23936-2018(XG1-2019) Industrial Sodium Fluorosilicate "Revision No. 1" has been changed from GB/T 23936-2018 Sodium hexafluorosilicate for industrial use.