YS/T 746.3-2010 Methods for chemical analysis of tin-based lead-free solders—Part 3:Determination of copper content—Flame atomic absorption spectrometric method and sodium thiosulfate titrimetric method
Methods for chemical analysis of tin-based lead-free solders—Part 3:Determination of copper content—Flame atomic absorption spectrometric method and sodium thiosulfate titrimetric method