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eLibrary > BS EN 13697:2023 - TC Tracked Changes. Chemical disinfectants and antiseptics. Quantitative non-porous surface test for the evaluation of bactericidal and yeasticidal and/or fungicidal activity of chemical disinfectants used in food, industrial, domestic >

BS EN 13697:2023 - TC Tracked Changes. Chemical disinfectants and antiseptics. Quantitative non-porous surface test for the evaluation of bactericidal and yeasticidal and/or fungicidal activity of chemical disinfectants used in food, industrial, domestic , 2023

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BS EN 13697:2023 - TC Tracked Changes. Chemical disinfectants and antiseptics. Quantitative non-porous surface test for the evaluation of bactericidal and yeasticidal and/or fungicidal activity of chemical disinfectants used in food, industrial, domestic , 2023

30482684
A-30457013 [Go to Page]
undefined
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test methods [Go to Page]
5.1 Principle
5.2 Materials and reagents [Go to Page]
5.2.1 Test organisms
5.2.2 Culture media and reagents [Go to Page]
5.2.2.1 General
5.2.2.2 Water
5.2.2.3 Tryptone Soya Agar (TSA)
5.2.2.4 Malt extract agar (MEA)
5.2.2.5 Diluent
5.2.2.6 Neutralizer
5.2.2.7 Hard water for dilution of the products
5.2.2.8 Interfering substances
5.2.3 Test surface
5.3 Apparatus and glassware
5.4 Preparation of test organism suspensions and product test solutions [Go to Page]
5.4.1 Test organism suspensions [Go to Page]
5.4.1.1 Stock cultures of test organisms
5.4.1.2 Working culture of test organisms
5.4.1.3 Test suspensions
5.4.1.4 Quantifying of bacterial and fungal test suspensions
5.4.1.5 Calculating the weighed mean of the test suspensions
5.4.2 Product test solutions
5.5 Procedure [Go to Page]
5.5.1 Choice of experimental conditions
5.5.2 Test procedure [Go to Page]
5.5.2.1 Test “Na” – determination of microbicidal concentrations
5.5.2.2 Water control “A”
5.5.2.3 Neutralizer control “B” - verification of the absence of toxicity of the neutralizer
5.5.2.4 Method validation “C” - dilution-neutralization validation
5.5.3 Quantifying of the test mixtures
5.6 Calculation and expression of results [Go to Page]
5.6.1 Elaboration of data: counting of weighed average values
5.6.2 Verification of methodology
5.6.3 Expression of results
5.6.4 Conclusion [Go to Page]
5.6.4.1 Activity on non-porous surfaces for general purposes
5.6.4.2 Activity on non-porous surfaces for dairies
5.6.4.3 Activity on non-porous surfaces for specific purposes
5.7 Test report
Annex A (informative)Corresponding referenced strains
Annex B (informative)Neutralizers
Annex C (informative)Expression of results with the dilution-neutralization method
Annex D (informative)Bactericidal activity in surfaces in general use conditions (for clean conditions)
Annex E (informative)Precision of the test result
Annex F (informative)Alternative drying end point [Go to Page]

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BS EN 13697:2023 - TC Tracked Changes. Chemical disinfectants and antiseptics. Quantitative non-porous surface test for the evaluation of bactericidal and yeasticidal and/or fungicidal activity of chemical disinfectants used in food, industrial, domestic , 2023

⨯To continue with accurate pricing,
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