无套中出丰满人妻无码99蜜av_艳妇诱春(第5部分)(h)_欧美日韩一区二区视频免费看_日韩AV中文在线播放_无码国产精品一区二区免费vr_99久久精品久久久久婷婷婷婷_九九热精品视频在线观看_看看妇女的b免费看_久久噜噜久久久精品66

點(diǎn)擊此處下載ISO 20884 Petroleum products – Determination of sulfur content of automotive fuels – Wavelength-dispersive X-ray Fluorescence Spectrometry

This document specifies a wavelength-dispersive X-ray Fluorescence (WDXRF) test method for the determination of the sulfur content of liquid,homogeneous automotive fuels from 5mg/kg to 500 mg/kg,which have a maximum oxygen content of 3,7%(m/m).Thia product range covers: