离子环境对水中脊髓灰质炎病毒氯灭活的影响。
Effect of ionic environment on the inactivation of poliovirus in water by chlorine.
作者信息
Sharp D G, Young D C, Floyd R, Johnson J D
出版信息
Appl Environ Microbiol. 1980 Mar;39(3):530-4. doi: 10.1128/aem.39.3.530-534.1980.
Abstract
The rate of inactivation of poliovirus in water by chlorine is strongly influenced by the pH, which in turn influences the relative amounts of HOCl and OCl- that are present and acting on the virus in the region of pH 6 to 10. The distribution of HOCl and OCl- is influenced to a lesser extent by the addition of NaCl. The major part of the sharp increase in disinfection rate seen with this salt is thought to be due to its effect on the virus itself resulting in an increased chlorine sensitivity, especially at high pH.
摘要
氯对水中脊髓灰质炎病毒的灭活速率受pH值的强烈影响，而pH值又会影响在pH 6至10范围内存在并作用于病毒的次氯酸（HOCl）和次氯酸根离子（OCl-）的相对含量。氯化钠（NaCl）的添加对HOCl和OCl-分布的影响较小。这种盐使消毒速率大幅提高，主要被认为是其对病毒本身产生作用，导致病毒对氯的敏感性增加，尤其是在高pH值时。
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