Research Article

Confirmatory Virucidal Activity of Ionised Active Water S-100® on the SARS-CoV-2 Virus

Table 4

Comparative titrations of the SARS-CoV-2 virus after treatment with the ionised water 40% after 30 seconds and two minutes of the contact time at 4°C, 20°C, and 37°C.

Product testedConcentration (%)Temperature (°C)Contact timeMean log10 TCID50/mlMean minimal reduction titre

Ionised water (40%)972030 seconds<3.5 ± 0.93.1
Hard water972030 seconds6.6 ± 0.3
Ionised water (40%)97202 minutes<3.3 ± 0.53.5
Hard water97202 minutes6.8 ± 0.2
Ionised water (40%)97430 seconds3.9 ± 0.12.5
Hard water97430 seconds6.4 ± 0.2
Ionised water (40%)9742 minutes3.2 ± 0.23.0
Hard water9742 minutes6.2 ± 0.4
Ionised water (40%)973730 seconds3.2 ± 0.43.2
Hard water973730 seconds6.4 ± 0.2
Ionised water (40%)97372 minutes3 ± 0.03.5
Hard water97372 minutes6.5 ± 0.1