TY JOUR TI SPECTRAL ANALYSIS IN THE ASSESSMENT OF ADSORPTION SYNTHETICDYES KW synthetic dyes KW adsorption KW spectrophotometric methods of analysis KW magnesium oxide. JO Modern Technologies and Scientific and Technological Progress AU Manuylov, V.V. AU Fefelova, T.G. AU Kirillova, V.F. PY 2019 IS 2019 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»