GB/T 7729-2021 Active National standards

GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods

Publish Date: 2021-08-20 Implement Date: 2022-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7729-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Baseline standards and general methods

ICS Name: Black metals

Publish Date: 2021-08-20

Implement Date: 2022-03-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国钢标准化技术委员会(SAC/TC 183)

Pages: 11 pages

Scope

本文件规定了冶金产品化学分析用分光光度法（以下简称光度法）的原理、试剂和材料、仪器设备、仪器操作方法、待测样品制备、测量和精密度。
本文件适用于冶金产品化学分析用光度法的应用、研究、人员培训。

Development Information

Drafting Units:

钢研纳克检测技术股份有限公司、钢铁研究总院、马鞍山市产品质量监督检验所、冶金工业信息标准研究院

Drafting Persons:

唐本玲、钱一梦、罗倩华、姚成虎、黄飞、陈自斌、朱融

Word Count: 21 Thousand words Pages: 11 pages

Replace the following standards

GB/T 7729-1987

Referenced Standards

GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results—Part 1:General principles and definitions GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method 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 8322-1987 Molecular absorption spectrometry—Terminology GB/T 8322-2008 Molecular absorption spectrometry—Terminology GB/T 26798-2011 Single beam UV/VIS spectrophotometer GB/T 26810-2011 Visible spectrophotometer GB/T 26813-2011 Double beam UV/VIS spectrophotometer

Related Standards

GB/T 223.75-1991 Replaced

GB/T 223.75-1991 Methods for chemical analysis of iron, steel and alloy—The methanol distillation-curcumin photometric method for the determination of boron content

Publish Date: 1981-09-06

GB/T 3875-1983 Replaced

GB/T 3875-1983 Tungsten sheet

Publish Date: 1983-10-10

GB/T 3876-1983 Replaced

GB/T 3876-1983 Molybdenum and molybdenum alloy sheet

Publish Date: 1983-10-10

GB/T 3877-1983 Replaced

GB/T 3877-1983 Molybdenum foil

Publish Date: 1983-10-10

GB/T 223.38-1985 Active

GB/T 223.38-1985 Methods for chemical analysis of iron, steel and alloy—The anion-exchange separation-gravimetric method for the determination of niobium content

Publish Date: 1985-07-18

GB/T 223.40-1985 Replaced

GB/T 223.40-1985 Methods for chemical analysis of iron, steel and alloy—The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium content

Publish Date: 1985-07-18