GB/T 3257.12-1999 Methods for chemical analysis of bauxite--Determination of vanadium pentoxide content--N-benzoyl-N-phenythyroxylamine photometric method (English Version)
This standard specifies the method for the determination of vanadium pentoxide content in bauxite ore. This standard is applicable to the determination of vanadium pentoxide in bauxite ore, the determination range: 0.005% ~ 0.400%.
GB/T 3257.12-1999 history
1999GB/T 3257.12-1999 Methods for chemical analysis of bauxite--Determination of vanadium pentoxide content--N-benzoyl-N-phenythyroxylamine photometric method
GB/T 3257.12-1999 Methods for chemical analysis of bauxite--Determination of vanadium pentoxide content--N-benzoyl-N-phenythyroxylamine photometric method was changed to YS/T 575.12-2006 Method for chemical analysis of bauxite ore- Benzoyl phenylene spectrophotometric method for the determination of vanadium pentoxide.