中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 12689.5-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of iron content--The sultosalicylic acid spectrometric method and the flame atomic absorption spectrometric method 锌及锌合金化学分析方法 铁量的测定 磺基水杨酸分光光度法和火焰原子吸收光谱法
Issued Date:2004-04-30
Implemented Date:2004-10-01
Issued by:
The Standardization Administration of the People's Republic of China