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| Chinese National Standard Category: Steel and iron alloy analysis method |
| English Title: | Ferrochromium, silicochromium, nitrogen-bearing ferrochromium and high nitrogen ferrochromium - Determination of chromium content - Ammonium persulfate oxidation titrimetric method and potentiometric titration method |
| Chinese Title: | 铬铁、硅铬合金、氮化铬铁和高氮铬铁 铬含量的测定 过硫酸铵氧化滴定法和电位滴定法 |
| Standard No.: | GB/T 4699.2-2025 |
| Category No.: | H11 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-8-1 |
| Implemented on: | 2026-2-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 4699.2-2008 Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration method |
| Word Count: | 9000 words |
| Similar Standards: | GB/T 223.31-2026 GB/T 4333.12-2025 GB/T 4333.11-2025 GB/T 46323-2025 DB13/T 1484-2011 GB/T 3653.4-2025 GB/T 30072-2025 GB/T 21931.1-2025 GB/T 4699.8-2025 GB/T 4702.16-2025 GB/T 223.8-2025 GB/T 223.11-2025 GB/T 223.6-2025 GB/T 223.13-2025 GB/T 4699.2-2025 GB/T 21931.2-2025 GB/T 3654.10-2024 GB/T 3653.1-2024 GB/T 24194-2024 GB 719-1984 |
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