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Chinese National Standard Category: Special refractory

English Title: Chemical analysis for silicon nitride bonded silicon carbide product. Determination of iron oxide content. o-Phenanthroline photometric method
Chinese Title: 氮化硅结合碳化硅制品化学分析方法 邻二氮杂菲光度法测定三氧化二铁量
Standard No.: YB/T 174.4-2000
Category No.: Q44
Issued by:
Issued on: 2000-07-26
Implemented on: 2000-12-1
Status: abolished
Superseded by:
Superseded on:
Abolished on:2011-08-15
Superseding:
Word Count:2500 words
Similar Standards: GB/T 23294-2021   GB/T 23293-2021   JC/T 493-2015   GB/T 26563-2011   YB/T 4232-2010   YB/T 5049-2009   YB/T 164-2009   YB/T 4191-2009   GB/T 23293-2009   GB/T 23294-2009   GB/T 16555-2008   YB/T 4167-2007   YB/T 4035-2007   GB/T 4984-2007   YB/T 4129-2005   YB/T 4127-2005   YB/T 007-2003   YB/T 4078.2-2003   YB/T 4078.1-2003   YB/T 4111-2002  
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