GB/T 20975.21-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content—Flame atomic absorption spectrometric method

GB/T 20975.3-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 3:Determination of copper content GB/T 20975.4-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content—Orthopenanthroline photometric method GB/T 20975.5-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 5:Determination of silicon content GB/T 20975.6-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 6:Determination of cadmium content—Flame atomic absorption spectrometric method GB/T 20975.7-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content—Potassium periodate spectrophotometric method GB/T 20975.8-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 8:Determination of zinc content GB/T 20975.9-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometric method GB/T 20975.10-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 10:Determination of tin content GB/T 20975.11-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 11:Determination of lead content—Flame atomic absorption spectrometric method GB/T 20975.12-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 12:Determination of titanium content GB/T 20975.13-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 13:Determination of vanadium content—N-benzoyl-Nphenylhydroxylamine spectrophotometric method GB/T 20975.14-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 14:Determination of nickel content GB/T 20975.15-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 15:Determination of boron content GB/T 20975.16-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 16:Determination of magnesium GB/T 20975.17-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 17:Determination of strontium content—Flame atomic absorption spectrometric method GB/T 20975.18-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content GB/T 20975.19-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 19:Determination of zirconium content GB/T 20975.20-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 20:Determination of gallium content—Butyrhodamine B spectrophotometric method GB/T 20975.22-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content—SCR spectrophotometric method GB/T 20975.23-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 23:Determination of antimony content—Potassium iodide spectrophotometric method GB/T 20975.24-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 24:Determination of total rare earth contents GB/T 20975.25-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 25:Inductively coupled plasma atomic emission spectrometric method

GB/T 6987.21-2001 Aluminum and aluminum alloys—Determination of calcium content—Flame atomic absorption spectrometric method

GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content