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Chinese Standard: GB/T 13748.4-2013

Chemical analysis methods of magnesium and magnesium alloys—Part 4:Determination of manganese content—Periodate spectrophotometric method

NEQ  ISO 2353:1972;ISO 809:1973;ISO 810:1973

全国有色金属标准化技术委员会(SAC/TC 243)

GB/T 13748的本部分规定了镁及镁合金中锰含量的测定方法。
本部分方法一适用于镁合金(含Zr、RE、Th、Ag)中锰含量的测定。测定范围:0.050%~2.70%。
本部分方法二适用于镁及镁合金(不含Zr、RE、Th、Ag)中锰含量的测定。测定范围:0.010%~0.80%。
本部分方法三适用于原生镁锭中锰含量的测定。测定范围:0.000 5%~0.010%。

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