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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 reduced molybdosilicate spectrophotometric method for the determination of acid-soluble silicon content |
| Chinese Title: | 钢铁及合金化学分析方法 还原型硅钼酸盐光度法测定酸溶硅含量 |
| Standard No.: | GB/T 223.5-1997 |
| Category No.: | H11 |
| Issued by: | CSBTS |
| Issued on: | 1997-03-17 |
| Implemented on: | 1997-9-1 |
| Status: | superseded |
| Superseded by: | GB/T 223.5-2008 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method |
| Superseded on: | 2009-4-1 |
| Abolished on: | |
| Superseding: | GB 223.5-1988 |
| Word Count: | 3500 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/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 GB/T 5686.7-2022 |
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