Determination of manganese in urine and whole blood samples by electrothermal atomic absorption spectrometry: comparison of chemical modifiers.

Pinto, Frederico Garcia; Rey, Ulisses Villela; Fernandes, Eduardo Freitas; Silveira, Josianne Nicácio; Amorim, Leiliane; da Silva, José Bento Borba

Pinto, Frederico Garcia; Rey, Ulisses Villela; Fernandes, Eduardo Freitas; Silveira, Josianne Nicácio; Amorim, Leiliane; da Silva, José Bento Borba.

Afiliación

Pinto FG; Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.

Anal Sci ; 22(12): 1605-9, 2006 Dec.

Article en En | MEDLINE | ID: mdl-17159325

RESUMEN

In this work, methodologies to determine manganese (Mn) in urine and whole blood by electrothermal atomic absorption spectrometry were developed. The use of Ru, Rh, and Zr as permanent modifiers, Pd as a modifier in solution, and the condition without modifier were investigated for the direct determination of Mn in urine and whole blood samples. The best results for Mn in urine and in whole blood were obtained without modifier use. The analytical characteristic, such as accuracy, precision and limit of detection of the proposed methodology were adequate.

Asunto(s)

Manganeso/sangre; Manganeso/orina; Espectrofotometría Atómica/métodos; Paladio; Rodio; Rutenio; Espectrofotometría Atómica/normas; Circonio

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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Espectrofotometría Atómica / Manganeso Tipo de estudio: Evaluation_studies Idioma: En Revista: Anal Sci Año: 2006 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Suiza

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