Fizyko-chemiczne metody oczyszczania malowideł ściennych

The author presents methods of cleaning murals, and introduces a division into mechanical and liquid varieties. He explains the nature of the methods in question and concentrates on physico-chemical types. The article discusses the impact of organic solvents and characteristic groups of the latter as well as their application. The author advises how to choose suitable solvents and their mixtures by resorting to the J. R Teas triangular diagram. He subsequently examines the effect of water and water solutions such as detergents, acids, enzymes and alkalines upon the substance to be removed. Finally, he proposals the use of absorbents and solvent carriers as substances assisting in the process of cleaning.