China 'GB/Z 43998-2024
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/Z 43998-2024
Nanotechnology - Methods for measuring the concentration of nanoscale carbon black and amorphous silica in the air of mixed dust manufacturing environments 纳米技术-混合粉尘制造环境空气中纳米级炭黑和无定形二氧化硅浓度的测量方法
Issued Date:2024.4.25
Implemented Date:2024.11.1
Issued by:
The Standardization Administration of the People's Republic of China
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