EFFICACY TESTS
DIFFICIL-S® has been independently tested by NHS
laboratories and has been proven to exceed
BS EN standards for Medical Area Disinfection.
The active component of DIFFICIL-S® is chlorine dioxide, present as a disssolved gas in a solution
with outstanding wetting properties. Spore penetration is readily achieved and then the organism is
swiftly killed by the potent destructive action of chlorine dioxide on the organism's internal chemical structure.
| Organism |
Contact Time |
Log Reduction |
| Test method combined BS EN 14348 with BS EN 13704 |
| Clostridium difficile spores |
1 min & 5 mins |
>6.82 & >6.82 |
| ATS LABS Test |
| Norovirus (Feline Calicivirus as surrogate) |
5 minutes |
>6.0 |
| Canine Parvovirus |
5 minutes |
>5.0 |
| Test method combined BS EN 14476 |
| Adenovirus |
10 minutes |
>4.20 |
| Poliovirus |
5 minutes |
>4.60 |
| Test method combined BS EN 14348 |
| Mycobacterium terra |
5 minutes |
>7.31 |
| Test method combined BS EN 13697 |
| Methicillin resistant Staphylococcus aureus ATCC 33591 |
1 minute |
>5.91 |
| Salmonella typhimuium |
1 minute |
>5.96 |
| Salmonella enteritidis |
1 minute |
>5.90 |
| Listeria monocytogenes |
1 minute |
>5.92 |
| Test method combined BS EN 1276 |
| Escherichia coli |
1 minute |
>7.17 |
| Pseudomonas aeruginosa |
1 minute |
>5.67 |
| Staphylococcus aureus NCTC 10788 |
1 minute |
>7.50 |
| Enterococcus hirae NCTC 12367 |
1 minute |
>7.50 |
| Methicillin resistant Staphylococcus aureus NCTC 12493 |
1 minute |
>7.50 |
| Corynebacterium phyogenes |
1 minute |
>5.19 |
| Aspergillus niger (BS EN 1650) |
10 minutes |
4.39 |
| Candida albicans |
1 minute |
>5.59 |
| Proteus Vulgaris |
1 minute |
>6.18 |
| Clostridium difficile spores |
5 minutes |
>5.91 |
| Clostridium difficile spores |
1 minute |
>5.91 |
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