GB/T 6609.3-1986 Methods for chemical analysis of aluminium oxide--The molybdenum blue photometric method for the determination of silicon dioxide content (English Version)
This standard applies to the determination of the amount of silica in alumina. Measuring range: 0.01 to 0.30%.
GB/T 6609.3-1986 history
2004GB/T 6609.3-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of silicon dioxide content-Molybdenum blue photometric method
1986GB/T 6609.3-1986 Methods for chemical analysis of aluminium oxide--The molybdenum blue photometric method for the determination of silicon dioxide content