DS EN 1656:2009 Chemical Disinfectants And Antiseptics - Quantitative Suspension Test For The Evaluation Of Bactericidal Activity Of Chemical Disinfectants And Antiseptics Used In The Veterinary Area - Test Method And Requirements (Phase 2, Step 1) Describes a test method and the minimum requirements for bactericidal activity of chemical disinfectant and antiseptic products that form a homogeneous, physically stable preparation when diluted with