[Methodological indications for the experimental study of the action of disinfectants on bacterial strains]

The most commonly used techniques for the experimental study of the action of disinfectants with respect to bacterial strains (M.I.C. and B.M.C. determination, phenol coefficient, well test, agar diffusion through plates test, transporter test, contact by suspension test) are reviewed. The methods used personally in numerous experiments, the modified contact test, is then described in detail.