DIN EN 13623:2020 化学消毒剂和防腐剂. 用于评估水性系统化学消毒剂对军团菌的杀菌活性的定量悬浮试验. 试验方法和要求(第2 阶段,第1 步); 德文版 EN 13623-2020
Chemical disinfectants and antiseptics - Quantitative suspension test for the evaluation of bactericidal activity against Legionella of chemical disinfectants for aqueous systems - Test method and requirements (phase 2, step 1); German version EN 13623:20