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| Professional Standard Category: Professional Standard - Non-ferrous Metal |
YS/T 575.4-2025 Methods for chemical analysis of bauxite—Part 4: Determination of iron oxide contents
铝土矿石化学分析方法 第4部分：三氧化二铁含量的测定;
| Category No.: | YS | Valid Status: | to be valid |
| Issued Organization: | MIIT | Issued Date: | 2025-03-03 |
| Implemented Date: | 2026-3-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
YS/T 948-2025
YS/T 1787-2025
YS/T 695-2009
YS/T 695-2025
YS/T 242-2025
YS/T 242-2009
YS/T 243-2001
YS/T 431-2009
YS/T 243-2025
YS/T 431-2025
YS/T 434-2009
YS/T 434-2025
YS/T 588-2006
YS/T 588-2025
YS/T 698-2009
YS/T 698-2025
YS/T 1188-2017
YS/T 622-2007
YS/T 622-2025
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