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| Chinese National Standard Category: Steel and iron alloy analysis method |
| English Title: | Methods for chemical analysis of iron, steel and alloy; The volumetric method for determination of manganese content by ammonium nitrate oxidation |
| Chinese Title: | 钢铁及合金化学分析方法 硝酸铵氧化容量法测定锰量 |
| Standard No.: | GB 223.4-1988 |
| Category No.: | H11 |
| Issued by: | China State Bureau of Standards |
| Issued on: | 1988-02-05 |
| Implemented on: | 1989-2-1 |
| Status: | superseded |
| Superseded by: | GB/T 223.4-2008 Alloyed steel - Determination of manganese content - Potentiometric or visual titration method |
| Superseded on: | 2008-12-1 |
| Abolished on: | 2008-12-01 |
| Superseding: | GB 223.4-1981 |
| Word Count: | 2000 words |
| Similar Standards: | GB 4333.5-1984 GB/T 7730.5-2000 GB/T 7731.16-1999 GB/T 4333.9-1988 GB/T 7730.2-2002 GB/T 7730.8-2000 GB/T 8704.3-1997 GB 4010-1983 GB 7730.6-1988 GB/T 8704.9-1994 GB 7731.3-1987 GB/T 5687.5-1988 GB/T 5686.9-2023 GB/T 3654.8-2023 GB/T 7731.17-2023 GB/T 5686.5-2023 GB/T 3653.3-2023 GB/T 223.92-2023 GB/T 4333.2-2023 GB/T 42794-2023 |
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