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The optimal conditions for determination of Pb、Cd in tomato ketchup was investigated and established.

研究了石墨炉原子吸收测定的最佳条件。

Methods: After microwave digestion, we determined lead in tea by graphite furnace atomic absorption method.

用微波消解石墨炉原子吸收法测定。

Kuding tea leaves ; lead ; graphite furnace atomic absorption spectrometer

苦丁茶;铅;石墨炉原子吸收分光光度法

The copper concentration on silicon surface was determined by GFAAS joint with one-drop sandwich etching method.

硅晶片表面污染的铜的浓度通过石墨炉原子吸收技术结合液滴夹心刻蚀的金属富集技术测得。

Objective:A GF-AAS method was established for the determination of lead in tipping paper,filter plug wrapping paper,diacetate cellulose tow,polypropylene fiber tow,glycerol triacetate for cigarette,polypropylene fiber tow filter rod adhesive,polyvinyl acetate emulsion adhesive,hot melt adhesive.

目的:建立了接装纸、成形纸、醋纤丝束、聚丙烯丝束、三醋酸甘油酯、聚丙烯丝束胶粘剂、白乳胶、热熔胶等8种滤嘴用卷烟材料中铅的测定方法—石墨炉原子吸收光谱法。

Objection: To set the means that trace cadmium and cobalt in flour with graphite furnace atomic absorption spectroscopy and microwave digest.

目的:建立微波消解-石墨炉原子吸收法测定面粉中镉和钴含量的方法。

The process of determination for lead in paint material of inside wall by graphite furnace atomic absorption spectroscopy using (NH_4)_2HPO_4 as matrix modifier is desc ribed.

本文描述了用(NH_4)_2HPO_4作基体改进剂、石墨炉原子吸收法直接测定内墙涂料中铅的方法。

Through statistic and analysis of interrelated data the effect rules of chemical composition,using frequenoy of mould,basic capacity of protecting slag,plate thickness,charging mode and cooling strength,e tc on star-like crack of plate were found.

通过相关数据的统计分析,找出了化学成分、结晶器使用次数、保护渣碱度、钢板厚度、装炉方式、冷却强度等对钢板显裂的影响规律;分析显裂产生的原因是,Cu原子、硅酸盐类夹杂物富集在奥氏体晶界,降低晶界强度,诱发显裂。

A method for the determination of antimony potassium tartrate with precon- centration of polyvinyl pyridine chemically modified electrod by using graphite furnace AAS is described.

本文研究了聚乙烯吡啶化学修饰电极预富集——石墨炉原子吸收法测定酒石酸锑钾的方法。

A graphite furnace atomic absorption spectrometry for the determination of trace tin in pig iron with pyrolytically coated graphite tube and Zeeman effect correction was reported.

报告了采用热解涂层石墨管,塞曼扣背景的石墨炉原子吸收光谱法测定生铁中痕量锡的方法。

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推荐网络例句

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了

The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.

世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。