Standard No.:	GB/T 13748.21-2009E
English Name:	Chemical analysis methods of magnesium and magnesium alloys—Part 21:Determination of elements by photoelectric direct reading atomic emission spectrometry
Chinese Name:	镁及镁合金化学分析方法 第21部分：光电直读原子发射光谱分析方法测定元素含量（英文版）
Chinese Classification:	G12    Inorganic salt
Professional Classification:	GB    National Standard
ICS Classification:	77.120.20 77.120.20    Magnesium and magnesium alloys 77.120.20
Source Content Issued by:	AQSIQ, SAC
Issued on:	2009-04-15
Implemented on:	2010-2-1
Status:	to be superseded
Superseded by:	GB/T 13748.21-2026 Methods for chemical analysis of magnesium and magnesium alloys—Part 21: Determination of elements content—Photoelectric direct reading atomic emission spectrometric method
Superseded on:	2026-12-1
Target Language:	English
File Format:	PDF

GB/T 13748的本部分规定了镁及镁合金中合金元素及杂质元素的光电直读原子发射光谱分析方法。
本部分适用于分析棒状或块状试样中铁、硅、锰、锌、铝、铜、铈、铅、钛、镍、铍、锆、钇、钕、锶15个元素的光电直读原子发射光谱测定，测定范围见表1。