GB/T 4325.13-1984 Method for chemical analysis of molybdenum--The glyoxal bis(2-hydroxyanil)photometric method for the determination of calcium content
This standard is applicable to the determination of calcium content in molybdenum powder, molybdenum bar, molybdenum trioxide and ammonium molybdate. Measuring range: 0.0007~0.025%.
GB/T 4325.13-1984 history
2013GB/T 4325.13-2013 Methods for chemical analysis of molybdenum.Part 13:Determination of calcium content.Flame atomic absorption spectrometry
1984GB/T 4325.13-1984 Method for chemical analysis of molybdenum--The glyoxal bis(2-hydroxyanil)photometric method for the determination of calcium content