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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 chrom azurol S photometric method for the determination of aluminium content |
Chinese Title: | 钢铁及合金化学分析方法 铬天青S光度法测定铝含量 |
Standard No.: | GB/T 223.9-2000 |
Category No.: | H11 |
Issued by: | AQSIQ |
Issued on: | 2000-04-01 |
Implemented on: | 2000-1-1 |
Status: | superseded |
Superseded by: | GB/T 223.9-2008 Iron steel and alloy - Determination of aluminium content - Chrom azurol S photometric method |
Superseded on: | 2008-11-1 |
Abolished on: | |
Superseding: | GB 223.9-1989 |
Word Count: | 5500 words |
Similar Standards: | GB 4333.5-1984 GB/T 7730.2-2002 GB/T 7730.8-2000 GB 4010-1983 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 GB/T 5686.4-2022 GB/T 223.54-2022 GB/T 5686.1-2022 GB/T 223.63-2022 GB/T 5686.2-2022 GB/T 41496-2022 GB/T 40311-2021 |
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