NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
HJ 830-2017
環境空氣 顆粒物中機元素的測定 波長色散x射線螢光光譜法 Ambient air -Determination of inorganic elements in ambient particle matter- Wavelength dispersive X-ray fluorescence spectroscopy (WD-XRF) method
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The Standardization Administration of the People's Republic of China