Alkalimetric determination of hydrophobic pharmaceuticals using stabilized o/w emulsions
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Ganna Shevchenko
and
Sergey Kulichenko
Abstract
Protolytic properties of (+)-(S)-2-(6-methoxynaphthalen-2-yl)propanoic acid (naproxen), 2-(3-benzoylphenyl)propionic acid (ketoprofen), 4-chloro-N-(2-furylmethyl)-5-sulfamoylanthranilic acid (furosemide), and N-(2,3-dimethylphenyl)anthranilic acid (mefenamic acid) in “oil-in-water” emulsions stabilized by surfactants were studied. The procedures for alkalimetric determination of naproxen, ketoprofen, furosemide, and mefenamic acid in emulsion media with indication of the equivalence point pH-metrically and with the use of indicators were proposed.
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© 2008 Institute of Chemistry, Slovak Academy of Sciences
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Articles in the same Issue
- Square-wave adsorptive stripping voltammetric determination of an antihistamine drug astemizole
- Flow injection spectrophotometric determination of iron(III) using diphenylamine-4-sulfonic acid sodium salt
- Sensitive determination of nitrogenous hydrochloride drugs via their reaction with ammonium molybdate
- Effect of different Fe(III) compounds on photosynthetic electron transport in spinach chloroplasts and on iron accumulation in maize plants
- Comparison of different technologies for alginate beads production
- Design and economics of industrial production of fructooligosaccharides
- Preparation of nanocrystalline anatase TiO2 using basic sol-gel method
- 3,5-Bis(2-hydroxyphenyl)-1H-1,2,4-triazole based ligands — protonation and metal complex formation
- Synthesis, characterization, fluorescence and redox features of new vic-dioxime ligand bearing pyrene and its metal complexes
- Synthesis and characterization of diaminomaleonitrile-functionalized polystyrene grafts for application in pervaporation separation
- Synthesis and magnetic properties of polymeric complexes containing ruthenium(II)-ruthenium(III) tetracarboxylato units linked by cyanato, thiocyanato, and selenocyanato ligands
- Preparation and modification of collagen-based porous scaffold for tissue engineering
- Synthesis, crystal structure, and magnetic properties of a cobalt(II) complex with (3,5-dichloropyridin-4-yl)(pyridin-4-yl)methanol
- Synthesis and reactions of 2-[3-(trifluoromethyl)phenyl]furo[3,2-c]pyridine
- Alkalimetric determination of hydrophobic pharmaceuticals using stabilized o/w emulsions
- Extraction and analysis of ellagic acid from novel complex sources
