YS/T 509.7-2006 Method for chemical analysis of spodumene and lepidolite concentrates Molybdenum blue photometric method for determination of phosphorus pentoxide (English Version)
2008YS/T 509.6-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of phosphorus pentoxide content.The molybdenum blue photometric method
1983YS/T 509.7-2006 Method for chemical analysis of spodumene and lepidolite concentrates Molybdenum blue photometric method for determination of phosphorus pentoxide
YS/T 509.7-2006 Method for chemical analysis of spodumene and lepidolite concentrates Molybdenum blue photometric method for determination of phosphorus pentoxide was changed to YS/T 509.6-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of phosphorus pentoxide content.The molybdenum blue photometric method.