GB/T 6609.8-2004 Chemical analysis methods and determination of physical performance of alumina Determination of chromium sesquioxide content-Diphenyl carbazide photometric method (English Version)
This standard specifies the method for the determination of chromium trioxide content in alumina. This standard applies to the determination of chromium trioxide content in alumina. Measuring range: 0.0002% to 0.014%.
GB/T 6609.8-2004 history
2004GB/T 6609.8-2004 Chemical analysis methods and determination of physical performance of alumina Determination of chromium sesquioxide content-Diphenyl carbazide photometric method
1986GB/T 6609.8-1986 Methods for chemical analysis of aluminium oxide--The diphenyl carbazide photometric method for the determination of chromium sesquioxide content