GB/T 13748.12-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of low copper content.2,9-Dimethyl-1,10-phenanthroline spectrophotometric method (English Version)
This part specifies the method for the determination of copper content in magnesium and magnesium alloys. This section applies to the determination of copper content in magnesium and magnesium alloys. Measuring range: 0.00030% to 0.200%.
GB/T 13748.12-2005 history
2013GB/T 13748.12-2013 Chemical analysis methods of magnesium and magnesium alloys.Part 12:Determination of copper content
2005GB/T 13748.12-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of low copper content.2,9-Dimethyl-1,10-phenanthroline spectrophotometric method
1992GB/T 13748.8-1992 Magnesium and its alloys--Determination of copper content-2,9-dimethyl-1,10-phenanthroline spectrophotometric method
1984GB/T 4374.1-1984 Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders--The neocuproine-extraction photometric method for the determination of copper content