UNI EN ISO 21149:2022
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Cosmetics - Microbiology - Enumeration and detection of aerobic mesophilic bacteria
Published date
10-27-2022
ISO 21149:2017 gives general guidelines for enumeration and detection of aerobic mesophilic bacteria present in cosmetics - by counting the colonies on agar medium after aerobic incubation, or - by checking the absence of bacterial growth after enrichment.
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