碘伏消毒液杀菌性能试验观察

为了解碘伏消毒液杀菌效果及相关性能,采用载体定量杀菌试验方法进行了实验室观察和现场考核。结果,以含25 mg/L有效碘的碘伏消毒液对金黄色葡萄球菌和大肠杆菌作用10 m in,杀灭率为100%;用100 mg/L有效碘的该消毒液对白色念株菌作用10 m in,杀灭率为100%。用碘伏消毒液原液对志愿者手进行擦拭消毒作用3m in,可使手上自然菌平均减少率为97.61%。碘伏消毒液在37℃存放3个月,有效碘含量下降率为7.75%。经碘伏消毒液浸泡72 h,对不锈钢基本无腐蚀,对铝中度腐蚀,对碳钢和铜有重度腐蚀。结论,碘伏消毒液对细菌繁殖体和真菌都具有很强的杀灭效果,储存稳定,但腐蚀性明显。

EXPERIMENTAL OBSERVATION ON GERMICIDAL PROPERTY OF IODOPHOR DISINFECTION SOLUTION

In order to know the germicidal efficacy and related properties of iodophor disinfection solution,carrier quantitative germicidal test was used to carry out laboratory observation and field trial.Results: The iodophor disinfection solution containing available iodine 25 mg/L with a 10 min contact time killed 100% of Staphylococcus aureus and Escherichia coli and the disinfection solution containing available iodine 100 mg/L with a 10 min contact time killed also 100% of Candida albicans.Wiping disinfection of volunteers' hands with stock solution of iodophor disinfection solution for 3 min could reduce the natural bacteria on hands by 97.61% in average.After the iodophor disinfection solution was stored at 37℃ for 3 months,its available iodine content decreased by 7.75%.Immersion in iodophor disinfection solution for 72 h caused no corrosion of stainless steel,moderate corrosion of aluminum and heavy corrosion of carbon steel and copper.Conclusions: Iodophor disinfection solution has high efficacy in killing vegetative forms of bacteria and fungi.It is stable in storing,but has significant corrosiveness.