Smøremiddeldispenser med en af anode, katode og elektrolytter bestående galvanisk celle til frembringelse af gasser

摘要

An electrolyte which is physiologically acceptable and non-hazardous, which has a pH value close to the neutral point and in which the evolution of gas can be reproduced and controlled within adequate limits consists of a mixture of preferably multibasic acids, their salts and complexing agents.