Table 2 Soaking method disinfection effect.
Sampling time | 75% Ethanol | 0.5% Benzalkonium Chloride | Chlorine-containing disinfectant | |||
|---|---|---|---|---|---|---|
Colony count(cfu/cm2) | PA | Colony count(cfu/cm2) | PA | Colony count(cfu/cm2) | PA* | |
Before disinfection | >100 | + | >100 | + | >100 | + |
1 min after disinfection | < 0.1 | – | 5 | − | < 0.1 | - |
24 h after disinfection | 10 | − | >100 | + | 5 | - |
