GB/T 10574.11-2017 Methods for chemical analysis of tin-lead solders—Part 11:Determination of phosphorus content—Crystal violet phosphorus-vanadium-molybdeum heteropoly acid spectrophotometry (English Version)
2017GB/T 10574.9-2017 Methods for chemical analysis of tin-lead solders—Part 9:Determination of aluminium content—Graphite furnace atomic absorption spectrometric method
2003GB/T 10574.9-2003 Methods for chemical analysis of tin-lead solders--Determination of aluminum content