00654naa#a2200181#i#450# EN\\bibl\41119 20240427184516.6 2686-777X 20201215b2020####ek#y0engy0150####ca RU ION EXCHANGE MATERIALS BASED ON INDUSTRIAL POLYVINYLCHLORIDE Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2020 3 с. Journal article local Smolicheva Oksana Aleksandrovna Chernigovskaya Marina Alekseevna Raskulova Tat'yana Valentinovna angtu.editorum.ru