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Chinese National Standard Category: Fireproof material in general

English Title: Chemical analysis methods for determination of Fe2+ and Fe3+ in refractoryproducts by the spectral photometric method with 1, 10-phenanthroline
Chinese Title: 邻二氮杂菲分光光度法测定耐火材料中的二价和三价铁离子化学分析方法
Standard No.: GB/T 34176-2017
Category No.: Q40
Issued by: AQSIQ,SAC
Issued on: 2017-09-07
Implemented on: 2018-8-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:
Word Count:7500 words
Similar Standards: GB/T 6900.11-1986   GB/T 6900.7-1986   GB/T 6901.6-2004   GB/T 6901.9-2004   GB/T 6901.8-2004   GB/T 6901.5-2004   GB/T 6900.8-1986   GB/T 6901.10-2004   GB/T 6900.5-1986   GB/T 6901.4-2004   GB/T 6901.1-2004   GB/T 6900.4-1986   GB/T 6900.6-1986   GB/T 6901.3-2004   GB/T 6901.7-2004   GB/T 5072-1985   GB/T 6900.2-1986   GB/T 6900.9-1986   GB/T 4984-1985   GB/T 6900.3-1986  
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