ANALYZING THE TOTAL CONTENT OF ZINC, COPPER, LEAD AND CADMIUM IN ELEUSINE INDICA L PLANT USING ICP-MS METHOD

Vương Trường Xuân

ANALYZING THE TOTAL CONTENT OF ZINC, COPPER, LEAD AND CADMIUM IN ELEUSINE INDICA L PLANT USING ICP-MS METHOD

About this article

Received: 09/10/19 Revised: 07/11/19 Published: 20/11/19

Authors

Vuong Truong Xuan , University of Sciences - TNU

Abstract

Eleusine indica L has been commonly used as an herb plant to treat illness. Determining the content of some metallic elements such as Cu, Pb, Cd and Zn is important in assessing the safety level of heavy metals in Eleusine indica L when used as a herb. The concentrations of Cu, Pb, Cd and Zn in 15 samples of Eleusine indica L from different regions were analyzed by using ICP-MS method. The results of the standard addition analysis showed that the recovery efficiency of Cu, Pb, Cd and Zn determined by IPC-MS method ranged from 81.00% to 105.00%. The research results obtained the contents of Zn, Cu, Pb and Cd in the samples of dried Eleusine indica L plant were in the range of 41,80-392 mg/Kg, 3,00-10,8 mg/Kg, 0,09-1,00 mg/Kg and 0,01 – 0,15 mg/Kg, respectively. The concentrations of Cu, Pb, Cd and Zn in 15 samples of Eleusine indica L collected at the study site mostly meet the safety standards of those elements according to WHO standards.

Keywords

Eleusine indica L, ICP-MS method, lead content, cadmium content, zinc content, copper content

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