EN ISO 20884:2019/A1:2021 石油產(chǎn)品.機(jī)動(dòng)車(chē)燃料中硫含量的測(cè)定.波長(zhǎng)分散X射線(xiàn)熒光光譜法 包含修改件A1,2021
Petroleum products - Determination of sulfur content of automotive fuels - Wavelength-dispersive X-ray fluorescence spectrometry - Amendment 1: Addition of the SSD detector to the Monochromatic excitation part of Table 1 (ISO 20884:2019/Amd 1:2021)