The effect of the addition of 1-methyl-1-telluracyclohexane iodide to the standard Watts electrolyte was studied using the Hull cell. It is shown that at a current density of 4 A/dm2, a temperature of 50 0C, a pH of 5.4, and a concentration of 0.2 g/l of the additive, a shiny nickel coating is formed.

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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