Starting from:

$29

Chinese Standard: GB/T 12690.4-2021

This standard is the Chinese version electronic standard. After you successfully purchase, we will send the electronic version of this standard to your email address. If you have any question, please contact email: ChineseStandardsLibraryS001@gmail.com.


Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4:Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method


Standard in brief
Scope of Application:  
本文件规定了稀土金属(除金属镱外)中氧、氮含量的测定方法。
本文件适用于稀土金属(除金属镱外)中氧、氮含量的测定。测定范围(质量分数):氧 0.005 0%~0.30%;氮 0.002 0%~0.20%。

Basic information
Standard No:GB/T 12690.4-2021
Standard Name:稀土金属及其氧化物中非稀土杂质化学分析方法 第4部分:氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法
English Name:Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4:Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method
Standard Status:现行
Release Date:1990-12-30
Effective Date:2022-05-01
Language of Publication:中文简体

Standard Classification
ICS Number:77.120.99
CCS Number:H14

Related Standards
Referenced Standards:GB/T 8170

Publication Information
Number of pages:12
Number of words:14 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2021-10-01

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:12690.4
Drafter:于勇海、吴文琪、蒋天怡、王长华、侯红霞、白伟华、李宏伟、王安丽、吴希桃、王金凤、蔺恩成
Drafting Organization:包头稀土研究院、国标(北京)检验认证有限公司、钢研纳克检测技术股份有限公司、天津包钢稀土研究院有限责任公司、湖南稀土金属材料研究院、福建省长汀金龙稀土有限公司、国家稀土产品质量监督检验中心
Management Organization:全国稀土标准化技术委员会(SAC/TC 229)
Proposing Department:全国稀土标准化技术委员会(SAC/TC 229)

More products