 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| Professional Standard Category: National Standard |
GB/T 13748.21-2009E Chemical analysis methods of magnesium and magnesium alloys—Part 21:Determination of elements by photoelectric direct reading atomic emission spectrometry
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） ;
| Category No.: | GB | Valid Status: | to be superseded |
| Issued Organization: | AQSIQ, SAC | Issued Date: | 2009-04-15 |
| Implemented Date: | 2010-2-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 13748.21-2026 Methods for chemical analysis of magnesium and magnesium alloys—Part 21: Determination of elements content—Photoelectric direct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Superseded Date: | 2026-12-1 |
GB 99~102-1986
GB/T9330-2008
GB/T 10304.1~10304.12-1988
GB 18580-2025E
GBn 73~76-1979
GB/T 3302-1982
GB/T 20472-2006
GB/T 13748.21-2009E
GB/T 26875.5-2011
GB/T 26875.2-2011
GB/T 19753-2021/XG1-2026
GB/T 19963.1-2021/XG1-2026
GB/T 44742-2024/XG1-2026
GB/T 47746-2026
GB/T 47747-2026
GB/T 18487.1-2023/XG1-2026
GB/T 46961-2025/XG1-2026
GB/T 47736-2026
GB/T 47732-2026
GB/T 47745-2026
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Beijing COC Tech Co., Ltd. 2008-2040 |