GB/T 10574.7-2017 Methods for chemical analysis of tin-lead solders—Part 7:Determination of silver content—Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titration (English Version)
2017GB/T 10574.7-2017 Methods for chemical analysis of tin-lead solders—Part 7:Determination of silver content—Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titration
2003GB/T 10574.6-2003 Methods for chemical analysis of tin-lead solders--Determination of copper content
1989GB/T 10574.7-1989 Tin-lead solders--Determination of copper content--2,9-dimethyl-1,10-phenanthroline spetrophotometric method