Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

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: to be 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Superseded by:
Superseded on: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:
Back          Detail

Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: Beijing COC Tech Co., Ltd. 2008-2020