China 'GB/T 35657-2017
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 35657-2017
Guideline for verification and validation of chemical analysis method and internal quality control-Metal component analysis based on sample digestion 化学分析方法验证确认和内部质量控制实施指南 基于样品消解的金属组分分析
Issued Date:2017
Implemented Date:2017
Issued by:
The Standardization Administration of the People's Republic of China