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A new, simple and sensitive analytical method for determination of methyldopa in pharmaceutical formulations using the 2,2-diphenyil-picrylhydrazyl

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190 ISSN 0326-2383

KEY WORDS: 2,2-diphenyil-picrylhydrazyl, methyldopa, pharmaceutical formulations, spectrophotometric de-termination.

*Author to whom correspondence should be addressed. E-Mail:[email protected]

Latin American Journal of Pharmacy

(formerly

Acta Farmacéutica Bonaerense)

Lat. Am. J. Pharm.

31

(2): 190-4 (2012)

Regular Article Received: January 14, 2012 Revised version: February 19, 2012 Accepted: February 19, 2012

A New, Simple and Sensitive Analytical Method

for Determination of Methyldopa in Pharmaceutical Formulations

Using the 2,2-Diphenyil-picrylhydrazyl

Orleane R. MATOS, Francisca C. da SILVA, Paulo R. da SILVA RIBEIRO*

Centro de Ciências Sociais, Saúde e Tecnologia – UFMA, CEP 65900-000, Imperatriz, MA, Brazil

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