GB/T 26416.4-2022 Active National standards

GB/T 26416.4-2022 Chemical analysis method for rare earth ferroalloy—Part 4:Determination of iron content—Potassium dichromate titration

Publish Date: 2022-12-30 Implement Date: 2023-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 26416.4-2022

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: 7 pages

Scope

本文件描述了稀土铁合金(镧铁合金、铈铁合金、钕铁合金、镝铁合金、钬铁合金、钆铁合金、钇铁合金、镧铈铁合金)中铁含量的测定方法。本文件适用于稀土铁合金(镧铁合金、铈铁合金、钕铁合金、镝铁合金、钬铁合金、钆铁合金、钇铁合金、镧铈铁合金)中铁含量的测定，测定范围(质量分数)：10.00%~90.00%。

Development Information

Drafting Units:

包头稀土研究院、国合通用测试评价认证股份有限公司、虔东稀土集团股份有限公司、湖南稀土金属材料研究院有限责任公司、江西南方稀土高技术股份有限公司、淄博加华新材料资源有限公司、天津包钢稀土研究院有限责任公司

Drafting Persons:

常诚、张翼明、龙旭东、修迎、温斌、龚雪颍、田佳、朱霓、刘荣丽、陈绯宇、刘延谟、荣文娜

Word Count: 16 Thousand words Pages: 7 pages

Same series standard

GB/T 26416.1-2022 Chemical analysis methods for rare earth ferroalloy—Part 1:Determination of total rare earth content GB/T 26416.2-2022 Chemical analysis method for rare earth ferroalloy—Part 2:Determination of rare earth impurity contents—Inductively coupled plasma emission spectrometry GB/T 26416.3-2022 Chemical analysis methods for rare earth ferroalloy—Part 3:Determination of calcium, magnesium, aluminium,nickel and manganese contents—Inductively coupled plasma emission spectrometry GB/T 26416.5-2022 Chemical analysis method for rare earth ferroalloy—Part 5:Determination of oxygen content—Impulse-infrared absorption method

Replace the following standards

GB/T 26416.4-2010 Chemical analysis methods of dysprosium ferroalloy—Part 4:Determination of iron content—The potassium dichromate titrimetry

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 13840-1992 Abolished

GB/T 13840-1992 Wafer carriers

Publish Date: 1992-12-28

GB/T 15677-1995 Replaced

GB/T 15677-1995 Lanthanum metal

Publish Date: 1995-08-11

GB/T 3136-1995 abolished_transferred

GB/T 3136-1995 Tantalum powders

Publish Date: 1995-10-17

GB/T 3463-1995 Abolished

GB/T 3463-1995 Tantalum wires

Publish Date: 1995-10-17

GB/T 3628-1995 Replaced

GB/T 3628-1995 Tantalum and tantalum alloy foils

Publish Date: 1995-10-17

GB/T 16476-1996 Replaced

GB/T 16476-1996 Scandium metal

Publish Date: 1996-07-09