GB/T 10574.12-2017 Methods for chemical analysis of tin-lead solders—Part 12:Determination of sulfur content—High frequency combustion with infrared absorption method
2017GB/T 10574.12-2017 Methods for chemical analysis of tin-lead solders—Part 12:Determination of sulfur content—High frequency combustion with infrared absorption method
2003GB/T 10574.12-2003 Methods for chemical analysis of tin-lead solders--Determination of sulphur content
1989GB/T 10574.14-1989 Tin-lead solders--Determination of sulphur content--Oscillopolarographic method after distillation