The paper presents a comparative characteristic of the process of adsorption of the synthetic dye E133 with magnesium oxide and activated carbon

The sense of bis(2-chloropropenyl)sulfide heterocyclization at its interaction with sulfur, selen and tellur in the hydrazine hydrate–KOH system has been studied. The suggest plausible mechanism of different heterocycles formation is discussed.

A method for obtaining 3,5-dimethyl-1,4-thiatellurine has been developed. The 1H NMR method shows the presence of two isomers in the product. By reaction with methyl iodide, tellurium salts were obtained, which showed an effect on the quality of the coatings obtained during electrochemical nickel plating

The paper presents a comparative characteristic of the process of adsorption of activated carbon by a number of synthetic colourants