Two simple, sensitive and reproducible UV spectrophotometric methods (A and B) for the determination of ethamsylate (EMS) in bulk samples and pharmaceutical formulations are described. EMS was taken in methanol for method A and in 0.1 N HCI for method B. The maximum absorbance was observed at 302 nm for method A and 302 nm for method B. Regression analysis of Beer's law plots showed good concentration ranges 2-10 mug/ml, for method A and 5-15 mug/mL for method B respectively. There is no interference from any common pharmaceutical excipients.
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Univ Fed Rio Grande do Sul, Fac Farm, Programa Posgrad Ciencias Farmaceut, BR-90610000 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Programa Posgrad Ciencias Farmaceut, BR-90610000 Porto Alegre, RS, Brazil
Garcia, Cassia V.
Mendez, Andreas L.
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Univ Fed Pampa, Curso Farm, Uruguaiana, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Programa Posgrad Ciencias Farmaceut, BR-90610000 Porto Alegre, RS, Brazil
Mendez, Andreas L.
Steppe, Martin
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Univ Fed Rio Grande do Sul, Fac Farm, Programa Posgrad Ciencias Farmaceut, BR-90610000 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Programa Posgrad Ciencias Farmaceut, BR-90610000 Porto Alegre, RS, Brazil
Steppe, Martin
Schapoval, Elfrides E. S.
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Univ Fed Rio Grande do Sul, Fac Farm, Programa Posgrad Ciencias Farmaceut, BR-90610000 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Programa Posgrad Ciencias Farmaceut, BR-90610000 Porto Alegre, RS, Brazil
Schapoval, Elfrides E. S.
LATIN AMERICAN JOURNAL OF PHARMACY,
2010,
29
(01):
: 144
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