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Spectrophotometric determination of diltiazem in dosage forms. 1992

D Zivanov-Stakić, and D Agbaba, and S Vladimirov, and L J Cirić
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Belgrade, Yugoslavia.

A simple and reproducible method for determination of diltiazem in bulk and in dosage forms is presented. The method is based on formation of hydroxamic acid, which reacts with iron (III), forming a complex with a maximum absorption at 525 nm. Assay procedure for diltiazem dosage form requires thin-layer chromatographic separation prior to colorimetric analysis.

UI MeSH Term Description Entries
D002855 Chromatography, Thin Layer Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Chromatography, Thin-Layer,Thin Layer Chromatography,Chromatographies, Thin Layer,Chromatographies, Thin-Layer,Thin Layer Chromatographies,Thin-Layer Chromatographies,Thin-Layer Chromatography
D004110 Diltiazem A benzothiazepine derivative with vasodilating action due to its antagonism of the actions of CALCIUM ion on membrane functions. Aldizem,CRD-401,Cardil,Cardizem,Dilacor,Dilacor XR,Dilren,Diltiazem Hydrochloride,Diltiazem Malate,Dilzem,Tiazac,CRD 401,CRD401
D013053 Spectrophotometry The art or process of comparing photometrically the relative intensities of the light in different parts of the spectrum.
D013607 Tablets Solid dosage forms, of varying weight, size, and shape, which may be molded or compressed, and which contain a medicinal substance in pure or diluted form. (Dorland, 28th ed) Tablet

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