Table 5.
Disinfection of test surfaces contaminated with E. coli culture with “Hyponat-BPO” solutions
| Solution concentration, % | Exposure min | Test surfaces (n = 3) | ||||
|---|---|---|---|---|---|---|
| wood | concrete | tile | stainless steel | plastic | ||
| I. Surfaces without protein protection | ||||||
| 1 | 30 | + | + | + | + | + |
| 40 | + | + | – | – | – | |
| 2 | 30 | – | – | – | – | – |
| 40 | – | – | – | – | – | |
| 3 | 30 | – | – | – | – | – |
| 40 | – | – | – | – | – | |
| 1 | 30 | + | + | + | + | + |
| 40 | + | + | + | + | + | |
| 2 | 30 | – | – | – | – | – |
| 40 | – | – | – | – | – | |
| 3 | 30 | – | – | – | – | – |
| 40 | – | – | – | – | – | |
Note: – (+) – the presence of growth of the test culture; (–) – lack of growth of the test culture; on concrete and wood surfaces without protein protection, the solution was applied at a rate of 0.5 l/m2, and on the remaining surfaces – 0.25 l/m2; on all surfaces with protein protection, the solution was applied at the rate of 0.5 l/m2; control – the growth of culture on surfaces treated with sterile water.
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