GB/T 13840-1992
Abolished
GB/T 6150.2-2022
Active
National standards
GB/T 6150.2-2022 Methods for chemical analysis of tungsten concentrates—Part 2:Determination of tin content—Potassium iodate titrimetry and inductively coupled plasma atomic emission spectrometry
GB/T 6150.2-2022 Methods for chemical analysis of tungsten concentrates—Part 2:Determination of tin content—Potassium iodate titrimetry and inductively coupled plasma atomic emission spectrometry
Basic Information
Standard Code:
GB/T 6150.2-2022
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:
2022-10-12
Implement Date:
2023-02-01
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:
16 pages
Scope
本文件规定了钨精矿中锡含量的测定方法,包括碘酸钾滴定法(方法一)和电感耦合等离子体原子发射光谱法(方法二)。
本文件适用于钨精矿中锡含量的测定,方法一的测定范围(质量分数):1.00%~20.00%。方法二的测定范围(质量分数):0.010%~2.00%。测定范围重叠部分以方法二为仲裁方法。
Development Information
Drafting Units:
赣州有色冶金研究所有限公司、国标(北京)检验认证有限公司、广东省科学院工业分析检测中心、湖南柿竹园有色金属有限责任公司、赣州华兴钨制品有限公司、赣州金源测试科技有限公司、洛阳栾川钼业集团股份有限公司
Drafting Persons:
谢璐、刘鸿、杨峰、李甜、张永进、陈涛、张碧兰、王长基、古吉汉、曹远福、张文星、刘标、田新、吕平、王璇、郭辉、华娟霞、李雪、罗盈盈、黎英
Same series standard
GB/T 6150.13-2022 Methods for chemical analysis of tungsten concentrates—Part 13:Determination of arsenic content—Atomic fluorescence spectrometry and the silver diethyldithiocarbamate(DDTC-Ag)spectrophotometry
GB/T 6150.17-2022 Methods for chemical analysis of tungsten concentrates—Part 17:Determination of antimony content—Atomic fluorescence spectrometry
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
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