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STANDARD 7581
First edition
2023-12
Evaluation of bactericidal activity of
a non-porous antimicrobial surface
used in a dry environment
Évaluation de l’activité bactéricide d’une surface antimicrobienne non
poreuse utilisée dans un environnement sec
Reference number
ISO 7581:2023(E)
© ISO 2023
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ISO 7581:2023(E)
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© ISO 2023
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Published in Switzerland
ii
© ISO 2023 – All rights reserved
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ISO 7581:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative reference .1
3 Terms and definitions . 1
4 Apparatus, reagents and materials . 3
4.1 Test organisms . 3
4.2 Culture media and reagents. 3
4.3 Reference and test surfaces . 4
4.3.1 General . 4
4.3.2 Reference surfaces . 4
4.3.3 Test surfaces . . 5
4.4 Apparatus and materials . 6
5 Preparation of the test organism suspensions . 7
5.1 Stock cultures of the test bacteria . 7
5.2 Working culture of the test bacteria . 7
5.3 Test suspensions . 8
5.4 Quantifying of bacterial test suspensions . 8
5.5 Calculation of the weighted mean bacteria concentration in the test suspensions. 8
6 Evaluation method of the bactericidal activity of a non-porous surface and its
efficacy .
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