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Simultaneous HPTLC determination of metronidazole and its impurity 2-methyl-5-nitroimidazole in pharmaceuticals
(Springer Hungarica Kiado Kft, Budapest, 1998)
Modification of the rate of aging of diisopropylfluorophosphate-inhibited neuropathy target esterase of hen brain
(Elsevier Sci Ireland Ltd, Clare, 1998)
This study was aimed to investigate the possibility of modifying the rate of aging of diisopropylfluorophosphate-inhibited neuropathy target esterase (NTE) of hen blain. This reaction on NTE occurs with a half-time of 7.4 ...
Dissolution assay of theophylline, diprophylline and proxyphylline from a sustained release dosage form by high performance thin layer chromatography
(Biomedical Chromatography, 1992)
The content and dissolution rate of theophylline, diprophylline and proxyphylline from a sustained release formulation were determined by UV in situ densitometry. After separation the chromatographic zones corresponding ...
HPTLC assay of cephalexin and cefaclor in pharmaceuticals
(John Wiley and Sons Ltd, 1998)
A simple and reliable HPTLC method for the simultaneous determination of cephalexin and cefaclor is developed and validated. The methanol-ethyl acetate-acetone-water (5:2.5:2.5:1.5 v/v/v/v) solvent system is used for the ...