Page 632 - Materials Chemistry, Second Edition
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CAT3525_C20.qxd  1/27/2005  12:54 PM  Page 603
                       Medical and Infectious Wastes                                               603

                               TABLE 20.7
                               Advantages and Disadvantages of Antimicrobial Agents
                               Class                   Advantages            Disadvantages
                               Alcohols              Bactericidal         Nonsporicidal
                                                     Tuberculocidal       Organic matter interference
                                                     Virucidal            Incompatible with some
                                                     Fungicidal             rubber and plastics
                                                     Nonstaining          Highly flammable
                                                     Nonirritating
                                                     Rapid action
                               Quaternary            Bactericidal         Nontuberculocidal
                                ammonium             Virucidal (lipophilic)  Nonsporicidal
                                compounds            Fungicidal           Organic matter interference
                                                     Pleasant odor        Nonvirucidal (hydrophilic)
                               Phenolic compounds    Bactericidal         Questionable virucide
                                                     Fungicida              (hydrophilic)
                                                     Tuberculocidal       Nonsporicidal
                                                     Virucidal (lipophilic)  Skin irritant
                                                                          Unpleasant odor
                                                                          Corrosive
                               Iodophor compounds    Bactericidal         Prolonged exposure for
                                                     Virucidal              tuberculocidal and
                                                     Fungicidal             sporicidal activity
                                                     Detergent action     Corrosive
                                                     Storage stability    Inactivation by organic matter
                               Glutaraldehyde        Bactericidal         Irritant
                                                     Virucidal            Limited shelf life
                                                     Fungicidal
                                                     Tuberculocidal
                                                     Sporicidal
                                                     Lack of organic
                                                       matter interference
                                                     Noncorrosive
                               Hypochlorite solution  Bactericidal        Prolonged exposure for
                                                     Virucidal              sporicidal activity
                                                     Fungicidal           Corrosive
                                                     Tuberculocidal       Bleaching agent
                               Hydrogen peroxide     Bactericidal         Corrosive
                                                     Virucidal
                                                     Fungicidal
                                                     Tuberculocidal
                                                     Sporicidal
                               Adapted from RTI, Final Report, 1993. Reproduced with kind permission of Research Triangle
                               Institute.


                           ● Viruses
                           ● Mycobacteria
                           ● Bacterial spores

                          Several levels of antimicrobial activity are defined to indicate the types of organisms the chem-
                       ical is expected to kill (Table 20.8). Antimicrobial chemicals typically include products with
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