Standard No.:	GB/T 5069.11-2001
English Name:	Chemical analysis of magnesia and magnesia-alumina refractory materials-Complexometric titration method for determination of calcium oxide and magnesium oxide content
Chinese Name:	镁质及镁铝（铝镁）质耐火材料化学分析方法 络合滴定法测定氧化钙、氧化镁量
Chinese Classification:	Q43    Basic refractory
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ
Issued on:	2001-01-02
Implemented on:	2002-5-1
Status:	superseded
Superseded by:	GB/T 5069-2007 Chemical Analysis of Magnesia-Alumina Refractories
Superseded on:	2007-10-1
Abolished on:	2007-10-01
Superseding:	GB/T 5069.8-1985 Magnesite refractories--Determination of calcium oxide content--EGTA volumetric method GB/T 5069.9-1985 Magnesite refractories--Determination of magnesium oxide content--CyDTA volumetric method
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	120.0
Delivery:	via email in 1~3 business day

本标准规定了EDTA络合滴定法测定氧化钙量、氧化镁量和EGTA络合滴定法测定氧化钙量、CyDTA络合滴定法测定氧化镁量的方法。本标准适用于镁质、镁铝（铝镁）质耐火原料及制品中氧化钙量和氧化镁量的测定，测定范围：氧化钙的质量分数＞1.00%，氧化镁的质量分数＞2.00%。