YS/T 509.11-2006 Method for chemical analysis of spodumene and lepidolite concentrates—Determination of persulfate oxidation photometry—Manganese oxide content (English Version)
2008YS/T 509.10-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of manganous oxide content.Persulfate oxidation photometric method
2006YS/T 509.11-2006 Method for chemical analysis of spodumene and lepidolite concentrates—Determination of persulfate oxidation photometry—Manganese oxide content
YS/T 509.11-2006 Method for chemical analysis of spodumene and lepidolite concentrates—Determination of persulfate oxidation photometry—Manganese oxide content was changed to YS/T 509.10-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of manganous oxide content.Persulfate oxidation photometric method.