GB/T 13840-1992
Abolished
GB/T 4324.2-2023
Active
National standards
GB/T 4324.2-2023 Methods for chemical analysis of tungsten—Part 2:Determination of bismuth and arsenic contents
GB/T 4324.2-2023 Methods for chemical analysis of tungsten—Part 2:Determination of bismuth and arsenic contents
Basic Information
Standard Code:
GB/T 4324.2-2023
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:
2023-11-27
Implement Date:
2024-06-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国有色金属标准化技术委员会(SAC/TC 243)
Pages:
12 pages
Scope
本文件描述了测定钨及钨合金中铋和砷含量的方法。本文件适用于钨粉、钨酸、钨条、三氧化钨、蓝钨、紫钨、碳化钨、偏钨酸铵、仲钨酸铵中铋和砷含量的测定。测定范围（质量分数)为0.000 01％～0.020%。
Development Information
Drafting Units:
湖南柿竹园有色金属有限责任公司郴州钨制品分公司、赣州有色冶金研究所有限公司、郴州市产商品质量监督检验所、江西省钨与稀土产品质量监督检验中心、广东省科学院工业分析检测中心、北矿检测技术股份有限公司、中国有色桂林矿产地质研究院有限公司、湖北绿钨资源循环有限公司
Drafting Persons:
侯贵琼、欧阳子菁、张元霞、唐险英、谢璐、谢磊、吕平、赖旺、谢丽芳、钟莹、张可、李展鹏、唐清、陈殿耿、陈祝炳、冯浩
Replace the following standards
Referenced Standards
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 17433-1998 Foundation terms for chemical analysis of metallurgical products
GB/T 17433-2014 Foundation terms for chemical analysis of metallurgical products
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