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Chinese National Standard Category: Steel and iron alloy analysis method

English Title: Methods for chemical analysis of ferroniobium;The methylene blue photometric method for the determination of sulfur content
Chinese Title: 铌铁化学分析方法 次甲基蓝光度法测定硫量
Standard No.: GB 3654.7-1983
Category No.: H11
Issued by: National Bureau of Standards
Issued on: 1983-05-02
Implemented on: 1984-3-1
Status: superseded
Superseded by:GB/T 3654.6-2008 Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method
Superseded on:2008-11-1
Abolished on:
Superseding:
Word Count:1500 words
Similar Standards: GB 4333.5-1984   GB/T 7730.5-2000   GB/T 7731.16-1999   GB/T 4333.9-1988   GB/T 7730.2-2002   GB/T 7730.8-2000   GB/T 8704.3-1997   GB 4010-1983   GB 7730.6-1988   GB/T 8704.9-1994   GB 7731.3-1987   GB/T 5687.5-1988   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  
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