X射线荧光光谱仪是一种元素测定仪,可以测定固态、液态样品中硫、磷、钙、锌、氯等元素。本文阐述了X射线光谱在燃料油、润滑油和润滑油添加剂中测定硫、磷、钙、锌、氯等元素的应用,并列举了国内外一些利用X射线光谱仪测定石油产品中元素的标准。 X-ray fluorescence spectrometer is an elemental analyzer that can determine sulfur, phosphorus, calcium, zinc, chlorine and other elements in solid and liquid samples. This paper describes the application of X-ray spectrometry in the determination of sulfur, phosphorus, calcium, zinc, chlorine and other elements in fuel oil, lubricating oil and lubricant additives, and lists some domestic and foreign standards for the determination of elements in petroleum products by X-ray spectrometry.