GB/T 20975.21-2020 Active National standards

GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content

GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content

Publish Date: 2020-09-29 Implement Date: 2021-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 20975.21-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for light metals and their alloys

ICS Name: Aluminum and aluminum alloys

Publish Date: 2020-09-29

Implement Date: 2021-08-01

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: 10 pages

Scope

GB/T 20975的本部分规定了采用火焰原子吸收光谱法和Na2EDTA滴定法测定铝及铝合金中钙含量。
本部分适用于铝及铝合金中钙含量的仲裁测定。火焰原子吸收光谱法测定范围：0.010%~1.00%；Na2EDTA滴定法测定范围：4.00%~30.00%。

Development Information

Drafting Units:

国标(北京)检验认证有限公司、广东省工业分析检测中心、有色金属技术经济研究院、北京有色金属与稀土应用研究所、西安汉唐分析检测有限公司、贵州省分析测试研究院、北矿检测技术有限公司、河北四通新型金属材料股份有限公司、昆明冶金研究院、长沙矿冶研究院有限责任公司、中铝洛阳铜加工有限公司、广东韶关市质量计量监督检测所、有研亿金新材料有限公司、东北轻合金有限责任公司

Drafting Persons:

张晓、谢辉、席欢、刘英、董超波、徐悦、雷祖伟、姚芳、刘雷雷、李家华、韩晓、王劲榕、戎新格、李子尚、李绍文、袁齐、刘朝方、熊晓燕、王冉、王雪、李颖、刘维理、杨伟绩、陈邵龙、陈继伟、郭军、杨永刚、庞欣、童坚、周兵

Word Count: 17 Thousand words Pages: 10 pages

Same series standard

GB/T 20975.3-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 3:Determination of copper content GB/T 20975.4-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content GB/T 20975.5-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 5:Determination of silicon content GB/T 20975.6-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 6:Determination of cadmium content GB/T 20975.7-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content GB/T 20975.8-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 8:Determination of zinc content GB/T 20975.9-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometry GB/T 20975.10-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 10:Determination of tin content GB/T 20975.12-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 12:Determination of titanium content GB/T 20975.13-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 13:Determination of vanadium content GB/T 20975.14-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 14:Determination of nickel content GB/T 20975.15-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 15:Determination of boron content GB/T 20975.16-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 16:Determination of magnesium content GB/T 20975.17-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 17:Determination of strontium content GB/T 20975.18-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content GB/T 20975.19-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 19:Determination of zirconium content GB/T 20975.20-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 20:Determination of gallium content—Butyrhodamine B spectrophotometric method GB/T 20975.22-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content GB/T 20975.23-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 23:Determination of antimony content GB/T 20975.24-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 24:Determination of total rare earth content GB/T 20975.25-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 25:Determination of elements content—Inductively coupled plasma atomic emission spectrometric method GB/T 20975.32-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 32:Determination of bismuth content GB/T 20975.33-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 33:Determination of potassium content—Flame atomic absorption spectrometric method GB/T 20975.34-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 34:Determination of sodium content—Flame atomic absorption spectrometric method GB/T 20975.35-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method GB/T 20975.36-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 36:Determination of silver content—Flame atomic absorption spectrometry GB/T 20975.37-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 37:Determination of niobium content

Replace the following standards

GB/T 20975.21-2008 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content—Flame atomic absorption spectrometric method

Referenced Standards

GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 8005.2-2011 Terms of aluminium and aluminium alloys—Part 2:Chemical analysis

Related Standards

GB/T 3250-1982 Replaced

GB/T 3250-1982 Aluminium and aluminium alloys—Riveting test method for rivet wire

Publish Date: 1982-06-21

GB/T 3251-1982 Replaced

GB/T 3251-1982 Aluminium and aluminium alloys—Compression test method for tubes

Publish Date: 1982-06-21

GB/T 3252-1982 Replaced

GB/T 3252-1982 Aluminium and aluminium alloys Shear test method for rivet wire and rivets

Publish Date: 1982-06-21

GB/T 3172-1982 Abolished

GB/T 3172-1982 Determination of adhesion ratio of aluminium powder Steel plate method

Publish Date: 1982-08-19

GB/T 3173-1982 Abolished

GB/T 3173-1982 Determination of coating surface of aluminium powder on water

Publish Date: 1982-08-19

GB/T 4438-1984 Replaced

GB/T 4438-1984 Aluminium and aluminium alloy corrugated sheets

Publish Date: 1984-05-29