Purpose: The aim of present study was to investigate the effect of chemical agents on the clinical isolates in Madani Heart Hospital, Tabriz, Iran.Methods: The minimum bactericide concentration (MBC) jouer soft focus hydrate & setting powder of disinfectants including chlorhexidine (Fort), peracetic acid (Micro) and an alcohol based compound (Deconex) on selected bacteria at various dilutions were determined by the standard suspension technique.Results: MBC of Micro, malibu relaxer Fort and Deconex were 2-128 mg/L, 2-64 mg/L and 4 - 32 mg/L, respectively.
The Gram negative bacteria were more resistance to disinfectant relation to Gram positive bacteria.Conclusion: The results showed that these agents are able to eradicate the bacteria and they can be used lonely.