As with ethylene oxide, people who use formaldehyde sterilizers should have regular health checks. Formaldehyde gas is obtained by evaporating under formalin negative pressure in the sterilization cabinet. Sterilization is provided under 60-80% humidity in the environment, 8-16 mg formaldehyde concentration per liter and 50-80 ° C temperature conditions.
In formaldehyde sterilization, as in pressurized steam, vacuum is applied in the preliminary stage, and the air inside the cabinet is evacuated.
Steam is injected into the cabin and the load is heated to the desired temperature. After that, several formaldehyde gas injections are made several times. At the end of the process, the formaldehyde residues in the cabinets and packages are first removed by steam and by repeated washing with air. The materials are ready to use without the need for additional ventilation after the procedure.
References: Dezenfeksiyon Antisepsi Sterilizasyon Rehberi 2019
https://www.das.org.tr/kitaplar/DASRehber2019V10.pdf
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