00631naa#a2200181#i#4500001001500000005001700015011001400032100004100046102000700087200013100094210010800225215001000333608002700343700002000370700002400390700002000414856001500434EN\\bibl\8371420241204112615.3##a2499-9962##a20231227b2023####ek#y0engy0150####ca##aRU1#aMDA PHOTOMETRY IN SOLUTIONS: COMPARISON OF METHODS OF DIRECT OPTICAL DENSITY DATA AND DERIVATIVE SPECTROSCOPYeJournal article1#aSevastopolcFederal State Educational Institution of Higher Education Sevastopol State Universityd2023##a8 с.##aJournal article2local#1aSmirnovagO. D.#1aKalashnikovagI. V.#1aKurbatovgG. A.4#arusjbpc.ru