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High-performance liquid chromatographic assay of 8-hydroxyquinoline sulfate and its stability in immunobiological preparations
(Elsevier Science BV, Amsterdam, 1998)
Because of the ability of g-hydroxyquinoline sulfate (8-HQS) to irreversibly bind metals from rubber stoppers, the stability of 8-HQS in tuberculin solutions was investigated, For the determination of 8-HQS, a simple and ...
Determination of some insect repellents in cosmetic products by high-performance thin-layer chromatography
(Elsevier Science BV, Amsterdam, 1999)
A simple and reliable thin-layer chromatographic method for the determination of N,N-diethyl-m-toluamide (DEET) and dimethyl phthalate (DMP) in raw material and cosmetic products was developed and validated. A benzene-diethyl ...