Study on Determination of Sulfur Content in Petroleum Products by Ultraviolet Fluorescence
紫外荧光法测定石油产品中硫含量的研究
作者: 徐宏伟刘月慕铮郑勇赵守成成栋赵景红刘名扬
作者单位: 1辽宁出入境检验检疫局技术中心,辽宁 大连
2大连交通大学环境与化学工程学院,辽宁 大连
刊名: Journal of Comparative Chemistry, 2018, Vol.02 (02), pp.47-53
中文刊名: 比较化学, 2018, Vol.02 (02), pp.47-53
来源数据库: Hans Pubs Journal
DOI: 10.12677/CC.2018.22008
英文摘要: This paper studied the determination of the accuracy and precision of sulfur content in petroleum products by ultraviolet fluorescence. Sulfur content exhibited good linearity with the regression coefficients 1 at the concentration ranged from 1 to 10 mg/kg and from 10 to 100 mg/kg. For de-termination of sulfur content in 50 batches of gasoline, diesel and aero coal, the relative error of ultraviolet fluorescence is within 45 batches of less than ±3.8%. The relative error of the energy dispersive X-ray fluorescence spectrometry is several times or even dozens of times than the ul-traviolet fluorescence method. The accuracy is low, and the precision of ultraviolet fluorescence method is less than 3.44%. The results show that the sulfur content in petroleum products is high accuracy and...
中文摘要: 本文研究了用紫外荧光法测定石油产品中硫含量的准确度与精密度。硫含量范围在1~10 mg/kg和10~100 mg/kg的浓度范围内线性关系均良好,r = 1。对50批次汽油、柴油、航煤进行硫含量测定,紫外荧光法的相对误差有45批次在±3.8%以内,而能量色散X射线荧光光谱法的相对误差是紫外法的几倍甚至几十倍,准确度低,紫外法的精密度低于3.44%。结果表明,紫外荧光测硫仪测石油产品中的硫含量具有较高的准确度和精密度。
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