00891naa#a2200217#i#450# EN\\bibl\119534 20260403054058.5 2782-2214 20260402b2026####ek#y0engy0150####ca RU COMPARATIVE ANALYSIS OF METHODS OF QUANTITATIVE DETERMINATION OF ALKALOIDS FOR CUSTOMS EXAMINATION PURPOSES Journal article Krasnoyarsk Siberian Federal University 2026 10 с. Journal article local Количественный анализ. 543.062 Хроматографический анализ. Хроматография. 543.544 Электрофорез. 543.545.2 Krotova Irina Vladimirovna Lening Vadim Dmitrievich Grechnev Dmitry Mikhailovich Zakharova Anzhelina Andreevna Krekhtunova Karina Igorevna tsfi-mag.ru