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SN EN ISO 21083-1
Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 1: Size range from 20 nm to 500 nm (ISO 21083-1:2018)
Edition
2019-08
SN EN ISO 21084
Textiles - Method for determination of alkylphenols (AP) (ISO 21084:2019)
Edition
2019-11
SN EN ISO 21090
Health Informatics - Harmonized data types for information interchange (ISO 21090:2011)
Edition
2011-07
SN EN ISO 21091
Health informatics - Directory services for healthcare providers, subjects of care and other entities (ISO 21091:2013)
Edition
2013-06
SN EN ISO 21135
Chemicals for the leather tanning industry - Determination of the total content of certain bisphenols (ISO 21135:2024)
Edition
2024-06
SN EN ISO 21148
Cosmetics - Microbiology - General instructions for microbiological examination (ISO 21148:2017)
Edition
2017-10
SN EN ISO 21149
Cosmetics - Microbiology - Enumeration and detection of aerobic mesophilic bacteria (ISO 21149:2017)
Edition
2017-10
SN EN ISO 21149/A1
Cosmetics - Microbiology - Enumeration and detection of aerobic mesophilic bacteria (ISO 21149:2017/Amd 1:2022); Amendment A1
Edition
2022-10
SN EN ISO 21150
Cosmetics - Microbiology - Detection of Escherichia coli (ISO 21150:2015)
Edition
2016-03
SN EN ISO 21150/A1
Cosmetics - Microbiology - Detection of Escherichia coli (ISO 21150:2015/Amd 1:2022); Amendment A1
Edition
2022-10
