GB/T 13748.21-2009 Chemical analysis methods of magnesium and magnesium alloys.Part 21:Determination of elements by photoelectric direct reading atomic emission spectrometry (English Version)
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GB/T 13748.21-2009
Scope
This part of GB/T 13748 specifies the photoelectric direct reading atomic emission spectrometric analysis method for alloy elements and impurity elements in magnesium and magnesium alloys. This part is applicable to the analysis of 15 elements of iron, silicon, manganese, zinc, aluminum, copper, cerium, lead, titanium, nickel, beryllium, zirconium, yttrium, neodymium, and strontium in rod or block samples. Photoelectric direct reading atomic emission spectrometry Determination, the determination range is shown in Table 1.
GB/T 13748.21-2009 Referenced Document
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 13748.21-2009 history
2009GB/T 13748.21-2009 Chemical analysis methods of magnesium and magnesium alloys.Part 21:Determination of elements by photoelectric direct reading atomic emission spectrometry