电感耦合等离子体发射光谱法测定铝硅合金杂质含量

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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

铝硅合金是一种以铝、硅为主成分的铸造和锻造合金，因其质量轻、导热性能好，又有一定硬度、强度以及耐蚀性能[，在汽车工业及机器制造业中常用于制作一些滑动摩擦条件下使用的零件。（剩余4126字）