95% concentrate should be diluted to the required concentrations and used according to the indications.
To prepare a 70% solution, take 675 g of the drug "Ethanol medical" 95% and 325 g of purified water and mix.
To prepare a 40% solution, take 360 g of the preparation "Ethanol medical" 95% and 640 g of purified water and mixed.
To process the surgical field and pre-surgical disinfection of the hands of the surgeon, a 70% solution is used, it is recommended to use a 40% solution for compresses and rubbing, and also as lotions (to avoid burns).