%0 Journal Article %T Possibilities of spectral analysis methods for the oil sludge research %A Nikitina, E.L. %A Smirnova, V.A. %A Danilova, A.S. %K cake, tricanter, oily waste, X-ray fluorescence spectrometry, spectral analysis %J From Chemistry Towards Technology Step-By-Step %D 2024 %N 5 %P 5 %I Yaroslavl State Technical University