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A new, simplified technique for the quantitative determination of levomycetin and anesthesin in the presence of a sum of buckthorn-oil carotenoids in the multicomponent preparation olazol has been developed based on the modified Firordt method. The optimum analytical wavelengths for the spectrophotometric determination of levomycetin and anesthesin were found by calculating the Kats-Rozkin informative...
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