Standard No.:	YB/T 190.4-2001
English Name:	Methods for chemical analysis of continuous casting mold powder—CyDTA titrimetric method for the determination of magnesiumoxide content
Chinese Name:	连铸保护渣化学分析方法 CyDTA滴定法测定氧化镁含量
Chinese Classification:	J3
Professional Classification:	YB    Professional Standard - Metallurgy
Issued by:	SETC
Issued on:	2001-07-09
Implemented on:	2002-1-1
Status:	superseded
Superseded by:	YB/T 190.4-2015 Continuous casting mold powder. Determination of magnesium oxide content. CyDTA titrimetric method
Superseded on:	2015-10-1
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	75.00
Delivery:	via email in 1~3 business day

本标准规定了环己二胺四乙酸(CyDTA)滴定法测定氧化镁含量的方法提要、试剂、试样、分析步骤、结果计算、允许差.
本标准适用于连铸保护渣中氧化镁的测定。测定范围:1.00~15.00%(质量分数)。