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Determination of trace and rare earth elements in three cassia SPP. by ICP-MS
Hamdard Medicus. 2008; 51 (2): 70-78
em Inglês | IMEMR | ID: emr-86544
ABSTRACT
Microwave acid digestion of Cassia aitriculata, C. obtusifolia and C. uniflora for the determination of trace elements [Sc. V, Cr, Co, Ni, Cu, Zn, Ga. Rb, Sr, Zr, Mb, Cs, Ba, Hf, Ta, Pb and U] and rare earth elements [La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tin, Yb, Lu and Y] by ICP-MS was carried out to estimate their concentrations and to correlate the associations of these elements with each other. The results obtained by using HF, HNO[3] and HC1 in a microwave digestion system for the analysis of plant samples and geochemical reference materials [SY-2] showed close agreement with the accepted values of SY-2. the very high levels of Zn [266.16 ppm]. Rb [178.68 ppm]. Sr [2567.63 ppm] and Ha [2043.16 ppm] indicate the ability of Cassia spp. towards hyperaccumulation of these elements from their respective environments
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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Plantas Medicinais / Oligoelementos / Metais Alcalinoterrosos Idioma: Inglês Revista: Hamdard Med. Ano de publicação: 2008

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Plantas Medicinais / Oligoelementos / Metais Alcalinoterrosos Idioma: Inglês Revista: Hamdard Med. Ano de publicação: 2008