China 'GB/T 223.30-1994
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 223.30-1994
Methods for chemical analysis of iron,steel and alloy--The arsenazo Ⅲspectrophotometric method for the determination of zirconium content after separation by p-bromomandelic acid 钢铁及合金化学分析方法 对-溴苦杏仁酸沉淀分离-偶氮胂Ⅲ分光光度法测定锆量
Issued Date:1994-09-26
Implemented Date:1995-06-01
Issued by:
The Standardization Administration of the People's Republic of China