This standard specifies the method for the determination of iron content in tin-lead solder. This standard applies to the determination of iron content in tin-lead solder. Measuring range: 0.0020% to 0.1200%.
GB/T 10574.5-1989 history
2003GB/T 10574.4-2003 Methods for chemical analysis of tin-lead solders--Determination of iron content
1989GB/T 10574.5-1989 Tin-lead solders--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 10574.5-1989 was changed to GB/T 10574.4-2003 Methods for chemical analysis of tin-lead solders--Determination of iron content.