Proposed phase 2/ step 2 in-vitro test on basis of EN 14561 for standardised testing of the wound antiseptics PVP-iodine, chlorhexidine digluconate, polihexanide and octenidine dihydrochloride

Table 1 Recovery of P. aeruginosa from metal, plastic, or glass test carriers

Exposure time on test carrier	Metal carrier (9.4 log₁₀)^a	Log₁₀ difference	Plastic carrier (9.5 log₁₀)^a	Log₁₀ difference	Glass carrier (9.5 log₁₀)^a	Log₁₀ difference
5 min	7.8 ± 0.1	1.6	7.9 ± 0.1	1.6	6.7 ± 0.1	2.8
30 min	7.3 ± 0.2	2.1	7.4 ± 0.1	2.1	6.6 ± 0.1	2.9
3 h	7.1 ± 0.1	2.3	7.0 ± 0.4	2.5	6.1 ± 0.2	3.4

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