電感耦合等離子體發(fā)射光譜法測(cè)定鋁硅合金雜質(zhì)含量

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Determination of Impurity Content in Aluminum Silicon Alloy by Inductively Coupled Plasma Emission Spectroscopy

Meng Fanjiao， Zhang Yuting，Qu Fengjiao， Liu Qiuying， Zhou Dantong，Ma Hua （Liaoyang Xiangyu Aluminum Industry Co.，Ltd.， Liaoyang 111003）

Abstract：Using thepretreatment method of alkali dissolutionacidificationand matrix matching method，a workingcurveisestablishedundertheoptimal instrumentparameters.Thecontentsof impurityelementssuchas silicon，magnesium，iron，copper，manganeseand zincin aluminum silicon alloyare determinedbyinductivelycoupled plasmaemissionspectrometer.Element interference test andsolutionacidity testareconducted to determine the detection limitsof each elementas silicon element 0.0097% ，magnesiumelement 0.005 3% ，ironelement 0.004 4%， copper element 0.0016% ，manganese element 0.000 3% ，zincelement 0.000 7% .Therepeatabilityand accuracy of the curve are verified，and the spiked recovery rate of the measured samples is 94% to 106%

Keywords：Inductivelycoupled plasmaatomic emissionspectroscopy，Aluminum silicon alloy，Alkaline dissolution and acidification，Standard Curve

1前言

鋁硅合金是一種以鋁、硅為主成分的鑄造和鍛造合金，因其質(zhì)量輕、導(dǎo)熱性能好，又有一定硬度、強(qiáng)度以及耐蝕性能[，在汽車(chē)工業(yè)及機(jī)器制造業(yè)中常用于制作一些滑動(dòng)摩擦條件下使用的零件。（剩余4126字）