GB/T 6609.6-1986 Methods for chemical analysis of aluminium oxide--The flame photometric method for the determination of potassium oxide content (English Version)
This standard applies to the determination of the amount of potassium oxide in alumina. Measuring range: 0.002 to 0.12%.
GB/T 6609.6-1986 history
2018GB/T 6609.6-2018 Chemical analysis methods and determination of physical performance of alumina.Part 6:Determination of potassium oxide content
2004GB/T 6609.6-2004 Chemical analysis methods and determination of physical performance of alumina Determination of potassium oxide content-Flame photometric method
1986GB/T 6609.6-1986 Methods for chemical analysis of aluminium oxide--The flame photometric method for the determination of potassium oxide content