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| Professional Standard Category: Professional Standard - Chemistry |
HG/T 6406-2025 Sulfonated J acid（2-Amino-5-hydroxynaphthalene-1,7-disulfonic acid）
磺化J酸（2-萘胺-5-羟基-1,7二磺酸）;
| Category No.: | HG | Valid Status: | to be valid |
| Issued Organization: | MIIT | Issued Date: | 2025-08-19 |
| Implemented Date: | 2026-3-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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