直接稀释进样-电感耦合等离子体原子发射光谱法同时测定原油中20种元素
ICP-AES Determination of 20 Elements in Crude Oil with Direct Sample Introduction after Dilution
摘 要
原油样品(2.0 g)用稀释剂航空煤油稀释至20.0 g后,直接进样供电感耦合等离子体原子发射光谱法测定其中银、铝、硼、钡、钙、镉、铬、铜、铁、镁、锰、钼、钠、镍、铅、硅、锡、钛、钒和锌等20种元素的含量。在优化的试验条件下,20种元素的检出限(3S/N)在0.1~3 mg·kg-1之间。方法用于分析原油样品,所得测定值的相对标准偏差(n=6)在1.24%~6.23%之间,回收率在80%~105%之间。
原油
元素
ICP-AES
Crude oil
Elements
Abstract
2.0 grams of sample of crude oil was diluted to 20.0 g with aviation kerosene and introduced directly into the instrument for ICP-AES determination of the contents of 20 elements, including Ag, Al, B, Ba, Ca, Cd, Cr, Cu, Fe, Mg, Mn, Mo, Na, Ni, Pb, Si, Sn, Ti, V and Zn in the sample. Under the optimized conditions, values of detection limit (3S/N) of the elements found were in the range of 0.1-3 mg·kg-1. The proposed method was applied to the analysis of crude oil, giving values of recovery found by standard addition method in the range of 80%-105%, with RSD′s (n=6) in the range of 1.24%-6.23%.
中图分类号 O657.31
所属栏目 工作简报
基金项目
收稿日期 2011/6/18
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备注袁丽凤(1978-),女,湖南资兴人,硕士,工程师,主要从事石油化工产品分析检测。
引用该论文: YUAN Li-feng,WU Bei-lei,YE Jia-mei,WANG Hao,CHEN Tie-shan,SUN Ni-ni. ICP-AES Determination of 20 Elements in Crude Oil with Direct Sample Introduction after Dilution[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2012, 48(7): 789～792
袁丽凤,邬蓓蕾,叶佳楣,王豪,陈铁杉,孙妮妮. 直接稀释进样-电感耦合等离子体原子发射光谱法同时测定原油中20种元素[J]. 理化检验－化学分册, 2012, 48(7): 789～792
被引情况:
【1】马放钧,申黛瑞,苏明扬,夏晓峰,丁海波,陈莉, "电感耦合等离子体原子发射光谱法测定汽油中的铁、锰、铅和硅",理化检验－化学分册 52, 1076-1079(2016)
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参考文献
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【2】陈迎霞,胡鹏程.微波消解技术在炼油厂石油产品ICP-AES分析中的应用研究［J］.现代科学仪器, 2003(3):67-69.
【3】侯庆烈,蒋绍润,刘近虞.乳化技术在原子吸收光谱分析中的应用一润滑油中锌的测定［J］.分析化学, 1984,12(3):198-200.
【4】MURILLO, MIGUEL, CHIRINOS, et al. Use of emulsion systems for the determination of sulfur,nickel and vanadium in heavy crude oil samples by inductively coupled plasma atomic emission spectrometry［J］. J Anal At Speetrom, 1994,9(3):237-240.
【5】FASSEL V A, PETERSON C A, ABERCROMBLE F N, et al. Simultaneous determination of wear metals in lubricating oils by inductively coupled plasma atomic emission spectrometry［AJ］. Anal Chem, 1976,48:516-520.
【6】孙宝湖.ICP-AES直接进样法测定润滑油中添加剂元素、磨损和污染金属含量［J］.现代科学仪器, 1999(6):21-23.
【7】ASTMD 5185-1997Standard test method for determination of additive elements wear metals,and contaminants in used lubricating oils and determination of selected elements in base oils by ICP-AES［S］.
【8】赵金伟,程薇,封亚辉.ICP-AES法测定润滑油中磨损金属元素的含量［J］.光谱学与光谱分析, 2004,24(6):733-736.
【9】时文中,王文豪,张昕,等.ICP-AES有机进样测定润滑油中的微量元素［J］.河南科学, 2004,22(3):341-344.
【10】辛仁轩,林毓华,王国欣.有机试液的等离子体光谱研究［J］.光谱学与光谱分析, 1982,2(3):214-216.
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