GB/T 13840-1992
Abolished
GB/T 12690.1-2022
Active
National standards
GB/T 12690.1-2022 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1:Determination of carbon and sulfur contents—High frequency-infrared absorption method
GB/T 12690.1-2022 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1:Determination of carbon and sulfur contents—High frequency-infrared absorption method
Basic Information
Standard Code:
GB/T 12690.1-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for rare metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2022-12-30
Implement Date:
2023-07-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国稀土标准化技术委员会(SAC/TC 229)
Pages:
8 pages
Scope
本文件描述了稀土金属及其氧化物中碳、硫含量的测定方法。本文件适用于稀土金属及其氧化物中碳、硫含量的测定。测定范围(质量分数)：碳0.002 0%~1.00%；硫0.002 0%~0.20%。
Development Information
Drafting Units:
国合通用测试评价认证股份有限公司、包头稀土研究院、国标(北京)检验认证有限公司、赣州有色冶金研究所有限公司、四川省乐山锐丰冶金有限公司、江西南方稀土高技术股份有限公司、有研稀土新材料股份有限公司、益阳鸿源稀土有限责任公司
Drafting Persons:
陈彩霞、吴文琪、张秀艳、李甜、胡梦桥、罗燕生、胡璇、曹振华、张文星、冯新瑞、徐静、郭才女、刘卫、孙海峰、张力久、陈雄飞、白晓艳、刘鹏宇、程紫辉、曲翔、赵艳、谢艳艳
Replace the following standards
Referenced Standards
Related Standards
GB/T 15677-1995
Replaced
GB/T 15677-1995 Lanthanum metal
GB/T 3136-1995
abolished_transferred
GB/T 3136-1995 Tantalum powders
GB/T 3463-1995
Abolished
GB/T 3463-1995 Tantalum wires
GB/T 3628-1995
Replaced
GB/T 3628-1995 Tantalum and tantalum alloy foils
GB/T 16476-1996
Replaced