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时间:2020-03-09
《次氯酸消毒液对环境介质微生物杀灭效果的评价.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、·724·ChineseJournalofDisinfection2019;36(10)【论著】次氯酸消毒液对环境介质微生物杀灭效果的评价王玲,徐燕(江苏省疾病预防控制中心,江苏南京210009)摘要目的观察次氯酸发生器生成的次氯酸消毒液实验室杀灭微生物及现场应用的效果方法采用悬液定量杀菌试验和模拟现场试验方法,对某次氯酸发生器现场生成的次氯酸消毒液杀灭微生物的效果进行观察。结果该次氯酸发生器现场生成的次氯酸消毒液有效氯含量为82.4mg/L。以该次氯酸消毒液原液对悬液内大肠杆菌、金黄色葡萄球菌和铜绿假单胞菌作用2.5min,杀灭对数值均>5.0;
2、对悬液内白色念珠菌作用5min,杀灭对数值>4.00;对悬液内脊髓灰质炎病毒作用30min,灭活对数值>4.00。用该次氯酸消毒液原液浸泡污染有金黄色葡萄球菌的棉布织物5min,杀灭对数值为5.45;对染于餐具上的大肠杆菌和止血钳齿部的铜绿假单胞菌,杀灭对数值分别为3.60和6.27。结论该次氯酸发生器生成的次氯酸消毒液可有效杀灭悬液内和物体表面上的细菌繁殖体、真菌和病毒。关键词次氯酸发生器;有效氯;消毒效果中图分类号:R187.2文献标识码:A文章编号:1001-7658(2019)10-0724-04DOI:10.11726/j.issn.10
3、01-7658.2019.10.002EvaluationofmicrobiologicalkillingeffectofhypochloricacidonenvironmentalmediaWANGLing,XUYan(JiangsuProvincialCenterforDiseasePreventionandControl,NanjingJiangsu210009,China)AbstractObjectiveToobservetheefficacyofmicrobekillingandfieldapplicationinthedisinfec
4、tionlaboratoryofhypochloricacidgenerator.MethodsThesuspentionquantitativedisinfectiontestandthesimulationfielddisinfectiontestwereusedtoobservethemicroorganismkillingeffectofhypochloricacidgenerator.ResultsTheeffectivechlorinecontentofthedisinfectantgeneratedfromthischloratew
5、atergeneratorwas82.4mg/L.WhenstrainsofE.coli,Staphylococcusalbus,andPseudomonasaeruginosacontaining3g/Lbovineserumalbumininthesuspensionwereexposedtothisdisinfectantfor2.5min,thekillinglogarithmvalueswere>5.00.ThisdisinfectantactedonstrainsofCandidaalbicanscontaining3g/Lbovin
6、eserumalbumininthesuspensionfor5min,thekillinglogarithmvaluewas>4.00;Whenthepolioviruscontaining3g/Lbovineserumalbumininthesuspensionwasinactivatedwiththisdisinfectantfor30min,theinactivationlogarithmvaluewas>4.00.Beingsoakedinthedisinfectantgeneratedfromthehypochloricacidge
7、neratorfor5min,thekillinglogarithmvalueonthewhiteclothwas5.45,andthekillinglogarithmvalueofE.colionthetablewarewas3.60.ThekillinglogarithmvalueofPseudomonasaeruginosastainedwithhemostatictongswas6.27.ConclusionThedisinfectantofthishypochloricacidgeneratorcankillbacteria,fungi
8、andvirusesinsuspension.Italsohasgooddisinfectioneffectonthemi
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