GB/T 13748.4-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of manganese content.Periodate spectrophotometric method (English Version)
This part specifies the method for the determination of manganese content in magnesium alloys (containing Zr, RE, Th and Ag). This section applies to the determination of manganese content in magnesium alloys (including Zr, RE, Th and Ag). Measuring range: 0.050% to 2.70%.
GB/T 13748.4-2005 history
2013GB/T 13748.8-2013 Chemical analysis methods of magnesium and magnesium alloys.Part 8:Determination of rare earth content.Gravimetric method
2005GB/T 13748.8-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of Rare earth content.Gravimetric method
1992GB/T 13748.4-1992 Magnesium and its alloys--Determination of cerium content--Tribromoarsenazo spectrophotometric method