China 'GB/T 4372.7-2014
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4372.7-2014
Methods for chemical analysis of zinc oxide produced by direct process―Part 7:Determinantion of ferric oxide content―Flame atomic absorption spectrometry method 直接法氧化锌化学分析方法 第7部分:三氧化二铁量的测定 火焰原子吸收光谱法
Issued Date:2014-12-05
Implemented Date:2015-08-01
Issued by:
The Standardization Administration of the People's Republic of China