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Conclusion: Microwave-Digestion-GFAAS adding L-Ascorbic acid as matrix modifiers can eliminate matrix interference effectively and the RSD and recoveries are improved obviously. 结论：采用微波消化法前处理样品，结合选用有机基体改进剂使基体干扰严重现象减轻，方法精密度、回收率分析结果得到提高。
Using C++ language, constructs an admittance matrix modify program. 使用C++语言,构建了导纳矩阵修改程序。
In this paper several fluorine-containing matrix modifiers have been tested for ETV-ICP-AES determination of elements with different volatility, such as refractory element Ti, medium volatile element Ni and easily volatile element Pb. 本文探讨了电热蒸发-电感耦会等离子体原子发射光谱法（ETV－ICP－AES）测定不同挥发性元素Ti、Ni和Pb时含氟基体改进剂的改进作用。
Ascorbic acid and ammonium dihydrogen phosphate solution were used as the matrix modifier. 采用抗坏血酸和磷酸二氢铵作混合基体改进剂，热解涂层石墨管，塞曼扣背景。
Tartrate solution and zirconyl chloride were used as the matrix modifier for coating graphite tube. 采用酒石酸-锆复合溶液作基体改进剂，锆涂层热解石墨管为原子化器。
Methods:Using the matrix modifier,cadmium in the bean milk powder was determined with GFAAS. 方法:应用基体改进剂,用石墨炉原子吸收光谱法测定豆奶粉中的镉。
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。
This shows that the determiation of elements with different volatility by ETV-ICP-AES with PTFE as matrix modifier is probable. 这表明，以PTFE为基体改进剂ETV－ICP－AES测定不同挥发性元素Ti、Ni和Pb是可能的。
The determination of arsenic content in naphtha by GFAAS was studied with THF as solvent,and nickel nitrate as matrix modifier. 试样用四氢呋喃(THF)有机溶剂稀释,以硝酸镍为基体改进剂,研究采用石墨炉原子吸收法直接进样测定石脑油中的砷量。
In this paper,the determination of trace tin in blood by optical temperature control GFAAS with the use of KNO_3 as matrix modifier was studied. 本文研究了以KNO_3作基体改进剂,用标准加入法、光控温度石墨炉原子吸收光谱法直接测定了人体血液中痕量锡。
In this paper, a method is described for the determination of Ph and Cd in sea water using Zeeman GFAAS with HNO3 as a Matrix modifier. 本文叙述以硝酸作基体改进剂，塞曼效应石墨炉原子吸收光谱测定海水中铅和镉的实验方法。
The effect of cesium iodide on thallium atomic absorbance in the presence of palladiummagnesium nitrate as a matrix modifier was investigated . 研究了碘化铯对钯-硝酸镁基体改进剂中铊吸光度影响。
Satisfactory results can be obtained by adding the sample solution and matrix modifier separately into the graphite furnace. 用样品溶液和基体改进剂分别加入到石墨炉中的标准加入法可得到满意的结果。
Objective:To develop a simple,rapid and accurate method for determination of cadmium in urine directly by GFAAS using suitable matrix modifier. 方法:选择几种基体改进剂组合,经石墨炉原子吸收光谱法测定找出效果最好的一组,调整基体改进剂的不同成分,找出最佳改进剂。
Methods Arsenic in cosmetics was determined by graphite furnace atomic absorption spectrometry with citric acid as a matrix modifier. 方法利用基体改进剂,应用石墨炉原子吸收光谱法分析化妆品中砷。
In this paper, the trace cadmium in organism was determined by GFAAS with IL Fastac autosampler. A matrix modifier (NH4)2HPO4 was applied to determination. 本文采用金属涂层石墨管;结合使用(NH_4)_2HPO_4为基体改进剂及自动雾化淀积进样技术;对生物样品Cd的测定进行研究.
Platform additive Lanthanum matrix modifier and Zeeman background correction methodwaa used for determination of lead in NBS-1572 (citrus leaves),NBS-1577a (bovine liver) andbeer. 本文研究了用平台加镧基体改进剂和塞曼扣除背景测定NBS1572(果叶),NBS1577a(牛肝),啤酒中的Pb,并对生物材料中几种主要成分的干扰及降低方法作了研究。
Influences of fiber treatment,matrix modifier,and inorganic filler on the interracial shear strength(IFSS)of jute fiber reinforced polypropylene were studied. 研究了黄麻纤维增强聚丙烯体系中黄麻的表面处理以及基体中改性剂和无机填料对界面剪切强度的影响。
Direct determine sparklet Be、Ni、Ba in water through furnace atomic absorption spectrometry using pyrocoated graphite tube added with Mg (NO_3)_2 as matrix modifier. 采用石墨炉原子吸收法,使用热解涂层石墨管,加上硝酸镁作基体改进剂,直接测定水中的痕量铍、镍、钡。
Detailed discussion was conducted about the impact of factors such as ashing and automation temperature, ashing method of samples, and matrix modifier on the experimental results. 探讨了样品灰化方法及灰化原子化温度、基体改进剂对测定结果的影响。