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Determination of Six Trace Elements in Gannan Orange by AAS

LI Hong-liang

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Abstract

The Gannan orange were dissolved in nitric acid and then oxygenated by perchloric acid,Six kinds of trace elements in the samples were determined by atomic absorption spectrophotometry(AAS),including Ca,Mn,Zn,Fe,Cu,with added lanthanum chloride as releaser to eliminate the interference of co-existent ions.The results indicated that the recoveries were 96.58%～104.31%,and the relative standard deviations of sample determination(10 times)were less than 2%.This method is simple,sensitive and rapid with satisfactory results and good reproducibility.There were rich Ca,moderate Mn,Zn and Fe elements in the Gannan orange.However,the concentrations of Cu and Pb were low.Therefore,has officinal and economic values.It provide data for further research on.

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What this paper is about

The Gannan orange were dissolved in nitric acid and then oxygenated by perchloric acid,Six kinds of trace elements in the samples were determined by atomic absorption spectrophotometry(AAS),including Ca,Mn,Zn,Fe,Cu,with added lanthanum chloride as releaser to eliminate the interference of co-existent ions.The results indicated that the recoveries were 96.58%～104.31%,and the relative standard deviations of sample determination(10 times)were less than 2%.This method is simple,sensitive and rapid with satisfactory results and good reproducibility.There were rich Ca,moderate Mn,Zn and Fe elements in the Gannan orange.However,the concentrations of Cu and Pb were low.Therefore,has officinal and economic values.It provide data for further research on.

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Available abstract

The Gannan orange were dissolved in nitric acid and then oxygenated by perchloric acid,Six kinds of trace elements in the samples were determined by atomic absorption spectrophotometry(AAS),including Ca,Mn,Zn,Fe,Cu,with added lanthanum chloride as releaser to eliminate the interference of co-existent ions.The results indicated that the recoveries were 96.58%～104.31%,and the relative standard deviations of sample determination(10 times)were less than 2%.This method is simple,sensitive and rapid with satisfactory results and good reproducibility.There were rich Ca,moderate Mn,Zn and Fe elements in the Gannan orange.However,the concentrations of Cu and Pb were low.Therefore,has officinal and economic values.It provide data for further research on.

Key concepts: Perchloric acid, Atomic absorption spectroscopy, Chemistry, Lanthanum, Nitric acid, Chloride, Reagent, Orange (colour)

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