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Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method
Standard in brief
Scope of Application:
本文件规定了辛可宁重量法和硝酸铵重量法测定钨铁中的钨含量。
本文件适用于钨铁中钨含量的测定。测定范围(质量分数):50.00%~90.00%。
Basic information
Standard No:GB/T 7731.1-2021
Standard Name:钨铁 钨含量的测定 辛可宁重量法和硝酸铵重量法
English Name:Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method
Standard Status:现行
Release Date:1987-03-31
Effective Date:2022-03-01
Language of Publication:中文简体
Standard Classification
ICS Number:77.100
CCS Number:H11
Related Standards
Referenced Standards:GB/T 4010,GB/T 6682,GB/T 8170
Publication Information
Number of pages:12
Number of words:21 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2021-08-01
Standard Revision Information
Has Amendment:No
Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:7731.1
Drafter:刘冰、聂淑兰、郑海东、张云鹏、钟映兰、黄江涛、李渊、李京霖、李士宏、张晓红、李志东、郭晓琳、古娟、王晶
Drafting Organization:吉铁铁合金有限责任公司、赣州江钨钨合金有限公司、江西省钨与稀土产品质量监督检验中心、青岛远诚创智科技有限公司、河北津西国际贸易有限公司、冶金工业信息标准研究院
Management Organization:全国生铁及铁合金标准化技术委员会(SAC/TC 318)
Proposing Department:中国钢铁工业协会