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- W2004756189 abstract "A method based on high-performance liquid chromatography (HPLC) was developed to study degraded chloroquine samples produced after exposure to sunlight in the Sudan. The method was also used to investigate chloroquine photodegradation after irradiation by UV and sunlight at ambient temperature. The study showed that the photodecomposition of chloroquine was pH and solvent dependent. Moreover, the extent of reaction was found to increase in the absence of oxygen. At pH 8, where the reaction rate was high, the photodecomposition was found to follow pseudo-first-order reaction kinetics. The HPLC method developed was also employed to analyse chloroquine and its degradation products in two commercially available brands of chloroquine injections which had been stored under local conditions in the Sudan. A number of degradation products were separated and examined by photodiode array spectroscopy and preparative TLC." @default.
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- W2004756189 date "1994-05-01" @default.
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- W2004756189 title "Photodegradation studies on chloroquine phosphate by high-performance liquid chromatography" @default.
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- W2004756189 doi "https://doi.org/10.1016/0731-7085(93)e0026-j" @default.
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