YS/T 509.3-2006 Method for Chemical Analysis of Spodumene and Lepidolite Concentrates Gravimetric-Molybdenum Blue Photometric Method for Determination of Silica Content (English Version)
2008YS/T 509.3-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of silicon dioxide content.Gravimetric-molybdenum blue photometric method
2006YS/T 509.3-2006 Method for Chemical Analysis of Spodumene and Lepidolite Concentrates Gravimetric-Molybdenum Blue Photometric Method for Determination of Silica Content