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Distribución de metales en el acíbar de hojas de zábila (Aloe vera (L). Burm.f.)

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Author(s): Oswaldo Saavedra* | Carlos E. Rondón

Journal: Avances en Química
ISSN 1856-5301

Volume: 3;
Issue: 2;
Start page: 49;
Date: 2008;
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Keywords: Elements in Aloe vera (L.) Burm.f. | metals in Aloe vera

ABSTRACT
This work presents the distribution of Na, Ca, Mg, K, Cu, Zn, Mn and Fe in Aloe vera leaves exudate by flame atomic absorption spectrometry (FAAS) and Cr by electrothermal atomic absorption spectrometry (ETAAS). The plants were cultivated in the city of Coro, Falcón state. The samples were collected from internal, medium and external leaves. The accuracy of the method was evaluated using a certified reference material NBS 1572. The average precision was 1.39%. The applied method was accurate, precise and free from interferences.
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