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首页> 外文期刊>Fuel >Deep hydrodesulfurization of diesel oils. Matrix effect in the analysis of low sulfur diesel oils by energy dispersive X-ray fluorescence spectroscopy
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Deep hydrodesulfurization of diesel oils. Matrix effect in the analysis of low sulfur diesel oils by energy dispersive X-ray fluorescence spectroscopy

机译:柴油的深度加氢脱硫。能量色散X射线荧光光谱法分析低硫柴油中的基质效应

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摘要

Energy dispersive X-ray fluorescence spectroscopy is the preferred method for sulfur determination in fuels. However, it has not been evaluated below 100 ppm S (w/w). In order to assess its potential for the analysis of low sulfur diesel oils, an evaluation of reproducibility and repeatability was performed and the influence of C/H ratio was evaluated. Although matrix effects originating from variation in the C/H ratio of the sample are compensated in modern instruments, this compensation may produce some systematic deviation of measured concentration.
机译:能量色散X射线荧光光谱法是确定燃料中硫的首选方法。但是,尚未评估其低于100 ppm S(w / w)的水平。为了评估其用于分析低硫柴油的潜力,进行了重现性和可重复性评估,并评估了C / H比的影响。尽管在现代仪器中可以补偿源自样品C / H比变化的基质效应,但这种补偿可能会导致测量浓度产生一些系统性偏差。

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