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Sequential injection determination of meloxicam in pharmaceutical formulations with spectrophotometric detection

Title
Sequential injection determination of meloxicam in pharmaceutical formulations with spectrophotometric detection
Type
Article in International Scientific Journal
Year
2007
Authors
Vandera Vasiliki
(Author)
Other
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Paula C A G Pinto
(Author)
FFUP
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Lucia L M F S Saraiva
(Coordinator)
FFUP
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Journal
Vol. 52 No. 6
Pages: 351-358
ISSN: 1205-6685
Indexing
Scientific classification
FOS: Natural sciences > Chemical sciences
CORDIS: Health sciences
Other information
Authenticus ID: P-004-CNQ
Resumo (PT): A fast and robust sequential injection analysis (SIA) methodology for routine control determination of meloxicam in solid pharmaceutical formulations is presented. The developed automatic procedure is based on the reaction of meloxicam with Fe (III) and ferricyanide, to form a green product with maximum absorption at 770 nm. Linear calibration plots were obtained for meloxicam concentrations up to 7×10-5 mol L-1, with a detection limit of about 2.7×10-5 mol L-1. The developed methodology was applied to meloxicam determination in solid pharmaceutical formulations and the obtained results complied with those furnished by a HPLC comparison procedure. The automatic methodology exhibited good reproducibility (RSD < 0.8%, n = 15) and the sampling rate was approximately 40 samples per hour. No interference was found from the excipients usually used in solid pharmaceutical formulations. <br> <br> Keywords: SIA, meloxicam, pharmaceutical formulations <br>
Abstract (EN): A fast and robust sequential injection analysis (SIA) methodology for routine control determination of meloxicam in solid pharmaceutical formulations is presented. The developed automatic procedure is based on the reaction of meloxicam with Fe (III) and ferricyanide, to form a green product with maximum absorption at 770 nm. Linear calibration plots were obtained for meloxicam concentrations up to 7 x 10(-5) mol L-1, with a detection limit of about 2.7 x 10(-5) mol L-1. The developed methodology was applied to meloxicam determination in solid pharmaceutical formulations and the obtained results complied with those furnished by a HPLC comparison procedure. The automatic methodology exhibited good reproducibility (RSD < 0.8%, n = 15) and the sampling rate was approximately 40 samples per hour. No interference was found from the excipients usually used in solid pharmaceutical formulations.
Language: English
Type (Professor's evaluation): Scientific
Notes: autor para correspondência
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