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Chinese Standard: GB/T 7731.4-2021

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Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method


Standard in brief
Scope of Application:  
本文件规定了磷钼蓝分光光度法测定钨铁中的磷含量。
本文件适用于钨铁中磷含量的测定,测定范围(质量分数):0.010%~0.080%。

Basic information
Standard No:GB/T 7731.4-2021
Standard Name:钨铁 磷含量的测定 磷钼蓝分光光度法
English Name:Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric 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:18 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:7731.4
Drafter:聂淑兰、刘冰、郑海东、张晓红、王书亮、王芳、钟映兰、凌细平、李京霖、黎福萍、韩雪松、郭秀婷、张倩
Drafting Organization:吉铁铁合金有限责任公司、江西省钨与稀土产品质量监督检验中心、赣州江钨钨合金有限公司、青岛博信达科技有限公司、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

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