This document specifies the principle, reagents and materials, instruments and equipment, instrument operation methods, preparation of testing samples, measurement and precision of spectrophotometric method that is used for chemical analysis of metallurgical products (hereinafter referred to as the photometric method). This document applies to the application, research and personnel training of the photometric method for chemical analysis of metallurgical products.
Basic Data
Standard ID
GB/T 7729-2021 (GB/T7729-2021)
Description (Translated English)
Chemical analysis of metallurgical products???General rule for spectrophotometric metho
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H04
Word Count Estimation
14,156
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
