This standard is applicable to the determination of aluminum content in molybdenum powder, molybdenum bar, molybdenum trioxide and ammonium molybdate. Measuring range: 0.0005~0.025%.
GB/T 4325.11-1984 history
2013GB/T 4325.11-2013 Methods for chemical analysis of molybdenum.Part 11:Determination of aluminum content.Chromazurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry
1984GB/T 4325.11-1984 Methods for chemical analysis of molybdenum--The chromazurol S photometric method for the determination of aluminum content