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Bottoni P, Caroli S. Detection and quantification of residues and metabolites of medicinal products in environmental compartments, food commodities and workplaces. A review. J Pharm Biomed Anal 2015; 106:3-24. [DOI: 10.1016/j.jpba.2014.12.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Revised: 12/05/2014] [Accepted: 12/12/2014] [Indexed: 01/13/2023]
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An HPLC method for the determination of digoxin in dissolution samples. JOURNAL OF THE SERBIAN CHEMICAL SOCIETY 2010. [DOI: 10.2298/jsc100106123m] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
An HPLC method for digoxin quantification in dissolution samples obtained as
per the official British Pharmacopeia (BP) method is presented in this paper.
The chromatography was performed at 20 ?C on a Symmetry C18; 3.5 ?m, 75 x 4.6
mm column with water - acetonitrile (72 : 28, v/v), as the mobile phase and
UV detection at 220 nm. The method was found to be selective, linear,
accurate and precise in the specified ranges. The LOD and LOQ were 0.015 ?g
mL-1 and 0.050 ?g mL-1, respectively. Robustness testing was conducted to
evaluate the impact of minor changes in the chromatographic parameters (i.e.,
acetonitrile fraction, flow rate of the mobile phase, column temperature and
column length) on the characteristics of the digoxin peak. A. full factorial
design (24) was used to investigate the influence of the four variables The
presented HPLC method was applied in quality and stability testing of Digoxin
tablets 0.25 mg.
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