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مجله نوآوری دارویی 2013
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • quantifying absorption effects during hydrogen peroxide decontamination

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1058
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     understanding mass transfer effects (e.g., condensation and absorption) of hydrogen peroxide is essential for clean room decontamination technology. for example, absorption of hydrogen peroxide in polymers often causes unwanted effects in the final aeration phase of a decontamination cycle. this currently leads to significant challenges in the design and operation of clean rooms or isolators. we address here the absorption of h2o2 in polymers, which is a key for an understanding of mass transfer effects. specifically, we developed a novel experimental setup to measure the desorption rate from a polymer sheet. together with a model for the diffusion in a polymer, we are able to theoretically predict the absorption and desorption kinetics of hydrogen peroxide. we then performed measurements of still unknown properties of hydrogen peroxide in polymers, i.e., the saturation concentration and the diffusion coefficient using our experimental setup. as expected, the diffusion in the polymer is the rate-limiting step for the absorption and the release of h2o2. we find that considerable amounts of h2o2 can be absorbed in certain polymers on a time scale of less than an hour and may lead to a temporary violation of the occupational safety and health administration safety level in a typical clean room.

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