为寻找经济、快速、方便和有效的饭票消毒方法,进行了甲醛熏蒸消毒试验。试验按每0.1 m~3使用福尔马林12 ml和高锰酸钾2 g的比例,在密闭的玻璃干燥器内对附有菌片(1.5×1.5 cm纸片)的饭票进行熏蒸处理。结果表明,作用6小时后可杀灭白色葡萄球菌、大肠杆菌、福氏痢疾杆菌和乙型副伤寒杆菌(5×10~7个/片);8小时后能杀灭同样 In order to find a economical, fast, convenient and effective method of ticket sterilization, formaldehyde fumigation disinfection test. The test was conducted by fumigating the meal with attached bacteria (1.5 × 1.5 cm pieces) in a sealed glass drier at a ratio of 12 ml of formalin and 2 g of potassium permanganate per 0.1 m 3. . The results showed that Staphylococcus aureus, Escherichia coli, Shigella flexneri and Paratyphoid B. parahaemolyticus (5 × 10 ~ 7 / tablet) could be killed after 6 hours of action; the same could be killed after 8 hours