TY JOUR TI ADSORPTION OF FOOD COLOURANTS KW synthetic colourants KW adsorption KW spectrophotometric method of analysis. JO Modern Technologies and Scientific and Technological Progress AU Manuylov, V.V. AU Tihonova, T.G. AU Kirillova, V.F. PY 2020 IS 2018 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»