| 紫外荧光法测定汽柴油产品中硫含量与测量不确定度评估 |
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| 引用本文： | 丘晖饶,贺石中,张琳颖,王国文,朱懋冠,刘毛毛.紫外荧光法测定汽柴油产品中硫含量与测量不确定度评估[J].分析仪器,2019(5):52-55. |
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| 作者姓名： | 丘晖饶 贺石中 张琳颖 王国文 朱懋冠 刘毛毛 |
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| 作者单位： | 广州机械科学研究院有限公司设备润滑检测研究所,广州,510700;金川集团股份有限公司,金昌,737100 |
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| 摘 要： | 建立了紫外荧光光谱测定轻质石油产品中硫含量的定量分析方法,使用紫外荧光测硫仪测定汽柴油中硫含量,结果表明:方法检出限为硫含量的检出限为0.19mg/kg,加标回收率为97%~109%。还通过建立紫外荧光硫的数学模型,对影响测试结果各个分量进行测量不确定度评估,得到柴油样品的扩展不确定度为U柴=0.70mg/kg,(k=2);汽油样品扩展不确定度为U汽=0.36mg/kg,(k=2)。
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| 关 键 词： | 紫外荧光光谱 轻质石油产品 硫含量 测量不确定度 |
Determination of sulfur in light petroleum products by ultraviolet fluorescence and its measurement uncertainty evaluation |
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| Qiu Huirao,He Shizhong,Zhang Linying,Wang Guowen,Zhu Maoguan,Liu Maomao.Determination of sulfur in light petroleum products by ultraviolet fluorescence and its measurement uncertainty evaluation[J].Analytical Instrumentation,2019(5):52-55. |
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| Authors: | Qiu Huirao He Shizhong Zhang Linying Wang Guowen Zhu Maoguan Liu Maomao |
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| Affiliation: | (Guangzhou Mechanical Engineering Research Institute Co.,Ltd.,Guangzhou510700,China;Jinchuan Group Co.,Ltd.,Jinchang 737100,China) |
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| Abstract: | The determination results show that the detection limit of sulfur is 0.19 mg/kg,the recovery rate is in the range of 97%-109%.The measurement uncertainty of each component is evaluated.The extended uncertainty of diesel sample is U=0.70 mg/kg,(k=2)and that of gasoline is U=0.36 mg/kg,(k=2). |
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| Keywords: | Ultraviolet fluorescence Light petroleum products Sulfur Measurement uncertainty |
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