According to the National Standard Information Public Service Platform, three industry standards for the non-ferrous metal industry have been implemented on 2022-04-01, namely: YS/T 1472.6-2021 Chemical Analysis Methods for Lithium-rich Manganese-Based Cathode Materials? Part 6: Sulfuric Acid Determination of Root Content Ion Chromatography, YS/T 1496-2021 Palladium Compound Analysis Method Impurity Anion Content Determination Ion Chromatography, YS/T 1497-2021 Platinum Compound Analysis Method Impurity Anion Content Determination Ion Chromatography. The competent authorities of the above three standards are: Ministry of Industry and Information Technology, and the scope of application is as follows:

YS/T 1472.6-2021 Methods for chemical analysis of lithium-rich manganese-based cathode materials - Part 6: Determination of sulfate content - Ion chromatography

Scope of application: It is suitable for the determination of sulfate content in lithium-rich manganese-based cathode materials. Measurement range: 0.050%~1.00%.

YS/T 1496-2021 Analysis method of palladium compounds-Determination of impurity anion content-Ion chromatography

Scope of application: It is suitable for the determination of nitrate ion content in palladium chloride and palladium sulfate; the determination of sulfate ion content in palladium nitrate; the determination of chloride ion and nitrate ion content in tetraammine palladium sulfate.

YS/T 1497-2021 Analysis method of platinum compounds-Determination of impurity anion content-Ion chromatography

Scope of application: It is suitable for the determination of chloride, nitrate, sulfate and other anions in platinum compounds chloroplatinic acid, platinum nitrate, hexahydroxydiethanolamine platinum, and hexahydroxyplatinic acid. The measurement range is 0.0050% to 0.05%.