2008
DOI: 10.1590/s0100-40422008000100009
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Determinação de fármacos diuréticos em associação por cromatografia em camada delgada e espectrofotometria

Abstract: Recebido em 25/10/06; aceito em 5/7/07; publicado na web em 19/12/07 DETERMINATION OF DIURETIC DRUGS BY THIN LAYER CHROMATOGRAPHY AND SPECTROPHOTOMETRY. A rapid, sensitive and reliable thin-layer chromatography/spectrophotometry screening procedure was developed for quantitative determination of diuretics associated in pharmaceutical dosage forms. The chromatographic method employed microcrystalline cellulose and butanol : acetic acid : water (4:1:1) or amilic alcohol : ammonium hydroxide 25% (9:1) as mobile p… Show more

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“…The identification of FUR in pharmaceutical preparations is usually made using UV/VIS spectrophotometry , infrared spectroscopy , and colorimetry . For its quantitative determination the following techniques are used: UV/VIS spectrophotometry , titration , high‐performance liquid chromatography (HPLC) with UV detection , HPLC coupled to mass spectrometry (HPLC‐MS) and capillary electrophoresis (CE) with UV detection .…”
Section: Introductionmentioning
confidence: 99%
“…The identification of FUR in pharmaceutical preparations is usually made using UV/VIS spectrophotometry , infrared spectroscopy , and colorimetry . For its quantitative determination the following techniques are used: UV/VIS spectrophotometry , titration , high‐performance liquid chromatography (HPLC) with UV detection , HPLC coupled to mass spectrometry (HPLC‐MS) and capillary electrophoresis (CE) with UV detection .…”
Section: Introductionmentioning
confidence: 99%
“…The development of a simple and accurate UV-spectrophotometric method can provide a very useful alternative for routine analysis of pharmaceutical formulations. [15][16][17][18] In the current literature, there is no publication concerning UVspectrophotometric determination of NTZ. The purpose of this work is to present the development and validation of a simple, fast, and environmental friendly and direct UV-spectrophotometric method for routine analysis of the NTZ in coated tablets and powder for oral suspension.…”
Section: Introductionmentioning
confidence: 99%