Procedure for obtaining a liquid concentrate for the preparation of insecticides, in particles insecticides to treat tissues or other transformable materials in containers, and the own containers (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for obtaining a liquid concentrate for the preparation of insecticides, in particular insecticides for treating fabrics or other materials transformable in containers, and the containers themselves, consisting of depositing in a suitable container that is provided with a reflux condenser, 36 parts in volume of terpineol and in heating them to a temperature of 40 to 80ºC to be added, while stirring the mixture, 10 parts by volume of the gamma isomer of benzene hexachloride, as well as 10 parts by volume of dichloro-diphenyl-trichlorethane,, the stirring and temperature being maintained by a thermal of 2 hours and taking care that the cooling of the reflux condenser is not interrupted; adding 14 parts by volume of rosin, stirring being continued for a further 1 hour to allow the mixture to cool to room temperature and add 10 parts by volume of an emulsifier; in evaluating the p.h of the mixture, neutralizing it when the index is less than 6, and then adding the appropriate dose of a stabilizing solvent. (Machine-translation by Google Translate, not legally binding)