直接注入高效雾化器-电感耦合等离子体原子发射光谱法测定船用燃料油中26种元素
Determination of 26 Elements in Marine Fuel Oils by ICP-AES with Direct Injection High Efficiency Nebulizer
摘 要
样品经硝酸-过氧化氢微波消解后，采用可拆卸式直接注入高效雾化器-电感耦合等离子体原子发射光谱法测定船用燃料油中钒、铝、钙、锌、镍、铜等26种微量元素的含量，通过多谱线拟合校正法（MSF）校正了Cu对P 213.617 nm和P 214.914 nm所产生的光谱干扰。26种元素的线性范围在10.0 mg·L-1内，检出限（3s）为0.001~0.087 mg·L-1。加标回收率在92.1%~106%之间，测定值的相对标准偏差（n=7）在0.46%~2.7%之间。采用此方法对船用燃料油标准物质中Fe、Ni、V、S进行测定，测定值与参考值一致。
直接注入高效雾化器
微波消解
船用燃料油
元素
多谱线拟合校正法
ICP-AES
direct injection high efficiency nebulizer
microwave digestion
marine fuel oil
element
MSF
Abstract
After the sample was digested by microwave with nitric acid and hydrogen peroxide, 26 elements in marine fuel oils were determined by ICP-AES coupled with direct injection high efficiency nebulizer. The spectrum interference to P 213.617 nm and P 214.914 nm caused by Cu was corrected by multi-component spectral fitting (MSF). Linearity ranges of the 26 elements were within 10.0 mg·L-1, and detection limits (3s) were in the range of 0.001-0.087 mg·L-1. Recovery rates obtained by standard addition method ranged from 92.1% to 106%, and RSDs (n=7) ranged from 0.46% to 2.7%. The proposed method was used to determine Fe, Ni, V and S in standard substances of marine fuel oils, giving results consistent with the reference values.
中图分类号 O657.63 DOI 10.11973/lhjy-hx201712006
所属栏目 工作简报
基金项目 国家标准制定计划能源项目（20131689-7-469）；2015年度广东省质监局科技项目（2015CZ06）
收稿日期 2016/11/18
修改稿日期
网络出版日期
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备注陈晓燕(1983-),女,广东深圳人,工程师,主要从事石油化工产品检测工作,634403201@qq.com
引用该论文: CHEN Xiaoyan,ZHAO Yan,ZHANG Shiyuan,XU Dongyu. Determination of 26 Elements in Marine Fuel Oils by ICP-AES with Direct Injection High Efficiency Nebulizer[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2017, 53(12): 1392～1397
陈晓燕,赵彦,张世元,徐董育. 直接注入高效雾化器-电感耦合等离子体原子发射光谱法测定船用燃料油中26种元素[J]. 理化检验－化学分册, 2017, 53(12): 1392～1397
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【3】吴建之,沈大可,沈尧汝.感耦等离子体发射光谱法测定原油中痕量铁镍铜钒[J].岩矿测试, 1999,18(1):58-60.
【4】WONDIMU T, GOESSLER W, LRGOLIC K J. Microwave digestion of "residual fuel oil" (NIST SRM 1634b) for the determination of trace elements by inductively coupled plasma-mass spectrometry[J]. Fresenius Journal of Analytical Chemistry, 2000,367(1):35-42.
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【7】DE SOUZA R M, MATHIAS B M, SCARMINIO I S, et al. Comparison between two sample emulsification procedures for the determination of Mo, Cr, V and Ti in diesel and fuel oil by ICP OES along with factorial design[J]. Microchimica Acta, 2006,153(3):219-225.
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【9】邬蓓蕾,王青松,王谦,等.X射线荧光光谱法直接测定燃料油中铝、硅、硫、钒[J]. 理化检验-化学分册, 2008,44(10):913-916.
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