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DIN EN ISO 11133:2020
Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media (ISO 11133:2014, Corrected version 2014-11-01 + Amd. 1:2018 + Amd. 2:2020); German version EN ISO 11133:2014 + A1:2018 + A2:2020
The Amendment 2 of DIN EN ISO 11133 concerns the elaboration of performance criteria of confirmation media and reagents. The new Annex K specifies control strains for the performance testing of confirmation and characterization media, reagents, dyes, stains and materials described in standards for the microbiological examination of samples from the food chain and water.
Deutsches Institut für Normung [din]