在使用高压蒸汽灭菌时,怎样杜绝一切可能导致灭菌不完全因素

2025-04-07 11:11:10
推荐回答(4个)
回答1:

湿热灭菌原理知道了,就好解释:

1,带灭菌的器物,材料等要用能够使蒸汽穿透的材料包装,如用牛皮纸,报纸,可透气滤膜等,以保证蒸汽能到达灭菌部位。

2. 一定要将灭菌锅内蒸汽排除干净,即锅内水沸腾后,放气阀中冒白气5分钟左右,包装锅内无空气,都是水蒸气啦,在关闭放气阀。

3。 灭菌时间,如果121度,20分钟即可以。如果108度,则至少要灭菌30到40分钟。

4 灭菌完毕,最好等温度降低,在开锅。避免快速放气,降温,降压,因为这样会造成灭菌锅内装液体的瓶子内外压力差过大,瓶盖冲开。

做好以上几条,一般来说,灭菌很彻底。

回答2:

这可以算是个课题了,不是几句话说的清楚的
顺便说下楼上一个概念性错误
108℃灭菌160分钟以上才能使F0值达到8
30~40分钟仅仅是消毒,不能完全杀死芽孢,所以属于灭菌不完全

回答3:

真要能这样100%保证的话,那就不是科学了。

回答4:

= = 我也在寻找答案

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