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Unformatted text preview: Halogens. Among the halogen antiseptics and disinfectants are chlorine and iodine. Iodine is used as a tincture of iodine, an alcohol solution. Combinations of iodine and organic molecules are called iodophors. They include Betadine and Isodyne, both of which contain a surface active agent called povidone. Iodine combines with microbial proteins and inhibits their function. Chlorine also combines with microbial proteins. It is used as sodium hypochlorite (bleach). As calcium hypochlorite, chlorine is available to disinfect equipment in dairies, slaughterhouses, and restaurants. The chloramines contain chlorine together with ammonia. They are used to sanitize glassware and eating utensils and are effective in the presence of organic matter. Chlorine is also used as a gas to maintain a low microbial count in drinking water. Alcohols. Alcohols are useful chemical agents when employed against bacteria and fungi, but they Alcohols....
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- Fall '07