China 'GB/T 223.78-2000
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 223.78-2000
Methods for chemical analysis of iron,steel and alloy--Curcumin spectrophotometric method for the determination of boron content 钢铁及合金化学分析方法 姜黄素直接光度法测定硼含量
Issued Date:2000-10-25
Implemented Date:2001-09-01
Issued by:
The Standardization Administration of the People's Republic of China