PROBLEM TO BE SOLVED: To provide a disinfection apparatus and method that can reduce the apparatus cost required for the concentration measurement of disinfective component as well as that can perform a proper disinfection treatment even for the case where the disinfective component in a disinfection chamber decreases.SOLUTION: Provided is a disinfection apparatus in which an object is disinfected by vaporizing a liquid disinfective agent comprising a solute as the disinfective component and a solvent for said solute, and which is characterized in including: a disinfection chamber for containing the object vaporization means for vaporizing the liquid disinfective agent introducing means for introducing the disinfective agent vaporized by the vaporization means into the disinfection chamber measurement means for measuring the moisture of the solvent contained in said vaporized disinfective agent introduced into the disinfection chamber by the introducing means and addition deciding means for deciding whether an additional disinfective agent should be introduced by the introducing means into the disinfection chamber in accordance to the solvent moisture measured by the measurement means.COPYRIGHT: (C)2015,JPO&INPIT【課題】滅菌成分の濃度測定に係る装置のコストを低減させると共に、滅菌室内の滅菌成分が低下する場合であっても、適切な滅菌処理を行えるようにすること。【解決手段】滅菌成分としての溶質と当該溶質の溶媒を含む液体の滅菌剤を気化して対象物を滅菌する滅菌装置であって、前記対象物が格納される滅菌室と、前記液体の滅菌剤を気化するための気化手段と、前記気化手段により気化された滅菌剤を前記滅菌室に導入する導入手段と、前記導入手段により前記滅菌室に導入された当該気化された滅菌剤に含まれる前記溶媒の湿度を測定する測定手段と、前記測定手段により測定された溶媒の湿度に従って、前記滅菌室に追加の滅菌剤を前記導入手段により導入するかを決定する追加決定手段と、を備えることを特徴とする。【選択図】図13
