AS 1329.5-1994
Methods for the analysis of zinc and zinc alloys - Determination of copper content (0.0001% to 0.0025%) - Flame atomic absorption spectrometric method
Specifies a flame atomic absorption spectrometric method for the determination of copper content in the range 0.0001% to 0.0025% copper in special high grade zinc, high grade zinc and diecast zinc alloys containing less than 4.3% aluminium and 0.06% magnesium.