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2. Contact Time Is Just as Important Even an effective disinfectant requires enough time to work. After TCCA dissolves in water, it releases hypochlorous acid (HOCl), the primary disinfecting agent responsible for inactivating microorganisms. HOCl needs sufficient contact time to penetrate microbial cells and oxidize essential cellular components. Removing the disinfectant too quickly or allowing the treated surface to dry before the recommended exposure period may reduce overall effectiveness. Many sanitation guidelines therefore recommend keeping the treated surface visibly wet throughout the required contact time to maximize microbial reduction. 根据文章配一个无文字无logo的科普向动漫配图