GB/T 4375.3-1984 Methods for chemical analysis of gallium--The chromazurol S-tetradecyl pyridine bromide photometric method for the determination of aluminum content
This standard applies to the determination of aluminum in gallium. Measuring range: 0.00050~0.0080%.
GB/T 4375.3-1984 history
1984GB/T 4375.3-1984 Methods for chemical analysis of gallium--The chromazurol S-tetradecyl pyridine bromide photometric method for the determination of aluminum content
GB/T 4375.3-1984 was changed to YS/T 520.3-2006 Chromoazurin S-tetradecylpyridinium Bromide Spectrophotometric Determination of Aluminum Content by Gallium Chemical Analysis Method.