YS/T 746.2-2010 Methods for chemical analysis of tin-based lead-free solders—Part 2:Determination of silver content—Flame atomic absorption spectrometric method and potassium thiosulfate titrimetric method
Methods for chemical analysis of tin-based lead-free solders—Part 2:Determination of silver content—Flame atomic absorption spectrometric method and potassium thiosulfate titrimetric method