Standard No.:	GB/T 7730.1-2002
English Name:	Ferromanganese and blast furnace ferromanganese--Determination of manganese content--Potentiometric method and titrimetric method after ammonium nitrate oxidation
Chinese Name:	锰铁及高炉锰铁 锰含量的测定 电位滴定法和硝酸铵氧化滴定法
Chinese Classification:	H11    Steel and iron alloy analysis method
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ
Issued on:	2002-09-11
Implemented on:	2003-4-1
Status:	superseded
Superseded by:	GB/T 5686.1-2008 Ferromanganese，ferromanganese-silicon nitrogen-bearing ferromanganese and manganese metal - Determination of manganese content - Potentiometric method and titrimetric mothod after amm
Superseded on:	2008-11-1
Superseding:	GB/T 7730.1-1987 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The potentiometric method for the determination of manganese content
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	304.0
Delivery:	via email in 1~3 business day

本部分规定了用电位滴定法和硝酸铵氧化滴定法测定锰含量的原理、试剂和材料、仪器、取制样、分析步骤、结果计算等。本部分适用于锰铁及高锰铁中能含量的测定，测定范围（质量分数）：50.00%～95.00%。方法一不适于铬含量（质量分数）＞0.4%的锰铁及高炉锰铁中含量的测定。