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

Standard No.

GB/T 7729-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 7729-2021

Replace

GB/T 7729-1987

Scope

This document specifies the principles, reagents and materials, instruments and equipment, instrument operation methods, sample preparation, measurement and precision for chemical analysis of metallurgical products (hereinafter referred to as the photometric method). This document is applicable to the application, research, and personnel training of photometric methods for chemical analysis of metallurgical products.

GB/T 7729-2021 Referenced Document

• GB/T 26798 Single beam UV/VIS spectorphotometer
• GB/T 26810 Visible spectrophotometer
• GB/T 26813 Double beam UV/VIS spectrophotometer
• GB/T 6379 Precision of test methods--Determination of repeatability and reproducibility for a standard test method by interlaboratory tests
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8322 Molecular absorption spectrometry.Terminology

GB/T 7729-2021 history

• 2021 GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods
• 1987 GB/T 7729-1987 Chemical analysis of metallurgical products--General rule for spectrophotometric methods