Spectrophotometric determination of rosuvastatin in pharmaceutical formulations using quinalizarin
Braz. J. Pharm. Sci. (Online)
; 53(3): e00075, 2017. tab, graf
Article
em En
| LILACS
| ID: biblio-889408
Biblioteca responsável:
BR40.1
Localização: BR40.1
ABSTRACT
ABSTRACT This work presents the development of a methodology based on the formation of a charge transfer complex between quinalizarin and rosuvastatin, allowing for the spectrophotometric determination of rosuvastatin at 579 nm. The factors involved in the sensitivity of the technique were studied (nature and proportion of the solvent, reaction time, pH of aqueous phase and quinalizarin concentration). The proposed spectrophotometric procedures were validated with respect to linearity, ranges, precision, accuracy, detection and quantification limits. Calibration curves of the formed color products showed good linear relationships over the concentration range of 6-15 mg L-1. The proposed method has been successfully applied, which can be confirmed by interference test (comparison between the standard curves and addition of analyte), method precision (RSD 2.3% to 6 mg L-1), and by accuracy (statistically equivalent results between the proposed method and a chromatographic method of reference).
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Espectrofotometria
/
Composição de Medicamentos
/
Rosuvastatina Cálcica
Idioma:
En
Revista:
Braz. J. Pharm. Sci. (Online)
Assunto da revista:
Farmacologia
/
Teraputica
/
Toxicologia
Ano de publicação:
2017
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil