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Chinese Standard: GB/T 4702.2-2025

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Chromium metal—Determination of silicon content—Perchloric acid gravimetric method and molybdenum blue spectrophotometric method


Standard in brief
Scope of Application:  
本文件规定了采用高氯酸脱水重量法和钼蓝分光光度法测定金属铬中的硅含量。
本文件适用于金属铬中硅含量的测定。测定范围(质量分数):高氯酸脱水重量法0.10%~2.00%;钼蓝分光光度法0.10%~0.70%。

Basic information
Standard No:GB/T 4702.2-2025
Standard Name:金属铬 硅含量的测定 高氯酸脱水重量法和钼蓝分光光度法
English Name:Chromium metal—Determination of silicon content—Perchloric acid gravimetric method and molybdenum blue spectrophotometric method
Standard Status:现行
Release Date:1984-10-04
Effective Date:2026-05-01
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 6379.1,GB/T 6379.2,GB/T 6682,GB/T 8170,GB/T 12806,GB/T 12807,GB/T 12808

Publication Information
Number of pages:20
Number of words:25 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2025-10-01

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:4702.2
Drafter:吴蕾、李亚光、王亮、杨月、刘坤、王旋、孙小飞、武治峰、吴芳慧、张莉、王亚朋、何庆昌、徐文高、王昊、刘鹏、徐志彬、孙桂花、郑海东、马宁、黄鑫、王晶、卢春生、程昭阳
Drafting Organization:中信(辽宁)新材料科技股份有限公司、南通品彦检测技术有限公司、铄恒睿天(青岛)科技有限公司、内蒙古新太元新材料有限公司、鄂尔多斯市西金矿冶有限责任公司、吉铁铁合金有限责任公司、本钢板材股份有限公司、中国检验认证集团河北有限公司、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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