ative tests carried out in example 1 also show that a dipping time of one minute in this mixture allows complete sterilisation whereas a concentration of bacteria of 5.5 X 10 is still present after a dipping time of five minutes in usual sterilizing agents such as sodium hypochlorite or a 70% ethanol solution (column 9, table 5).Therefore, knowing on the one hand that a mixture comprising 7% ethan