千瓦级微波等离子炬-原子发射光谱(MPT-AES)在油液分析中的应用  

Application of Kilowatt MPT-AES in Oil Analysis

作　　者：鄢雨微 金伟[1] 朱旦[1] 张涛[1] 应仰威 单锦 张旭晨 于丙文[1] 陈挺 刘超 金钦汉[1] YAN Yuwei;JIN Wei;ZHU Dan;ZHANG Tao;YING Yangwei;SHAN Jin;ZHANG Xuchen;YU Bingwen;CHEN Ting;LIU Chao;JIN Qinhan(Zhejiang Tracetech Technology Co.Ltd.,Hangzhou 310053,China)

机构地区：[1]浙江大学控制科学与工程学院,智能系统与控制研究所,杭州310058 [2]浙江全世科技有限公司,杭州310053

出　　处：《高等学校化学学报》2018年第12期2651-2657,共7页Chemical Journal of Chinese Universities

基　　金：国家重大科学仪器设备开发专项(批准号:2013YQ470781)资助.

摘　　要：采用千瓦级微波等离子炬-原子发射光谱(MPT-AES)装置对油液样品直接雾化进样分析,对直接稀释后的润滑油中8种金属元素进行了检测,并记录了进样时等离子体形貌的变化.结果表明,所有元素的校正曲线线性回归方程的R^2值均优于0. 995,精密度高,检出限接近传统的ICP-AES方法检出结果,为MPT-AES在油液视情维修中的分析监测及在线快速监测奠定了基础.同时还设计了一种油液在线混合进样装置,操作方便、进样量准确,适用于微量样品的采集和直接稀释及进样.The direct atomization injection analysis of oil samples by the kilowatt microwave plasma torchatomic emission spectrometry(MPT-AES)device was realized for the first time,To demonstrate the performance of this device,eight metal elements in the directly diluted lubricating oil were tested and the changes of plasma morphology during injection were recorded,The results show the high accuracy of our device with the R 2 values of the linear regression equations of all tested elements are greater than 0.995,Furthermore,the detection limit of this device achieves a comparable level to the traditional ICP-AES method,These results further suggest that our MPT-AES device have a great potential in the analysis and online rapid monitoring of oil-based maintenance,At the same time,an online oil mixing device was developed,which makes the operation of elements detection more convenient and the injection volume more accurate,and is especially suitable for the collection,direct dilution and injection of trace samples.

关 键 词：微波等离子炬 润滑油 元素检测 进样装置 

分 类 号：O657[理学—分析化学]