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Standards [CURRENT]

DIN EN ISO 21079-1

Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO₂ (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents and dissolution (ISO 21079-1:2008); German version EN ISO 21079-1:2008
Edition 2008-08

Standards [CURRENT]

DIN EN ISO 21079-2

Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO₂ (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis (ISO 21079-2:2008); German version EN ISO 21079-2:2008
Edition 2008-08

Standards [CURRENT]

DIN EN ISO 21079-3

Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO₂ (alternative to the X-ray fluorescence method) - Part 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP-AES) (ISO 21079-3:2008); German version EN ISO 21079-3:2008
Edition 2008-08

Standards [CURRENT]

DIN 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); German version EN ISO 21083-1:2018
Edition 2019-09

Standards [CURRENT]

DIN EN ISO 21084

Textiles - Method for determination of alkylphenols (AP) (ISO 21084:2019); German version EN ISO 21084:2019
Edition 2019-06

Standards [CURRENT]

DIN EN ISO 21090

Health Informatics - Harmonized data types for information interchange (ISO 21090:2011); English version EN ISO 21090:2011, only on CD-ROM
Edition 2011-06

Standards [CURRENT]

DIN EN ISO 21091

Health informatics - Directory services for healthcare providers, subjects of care and other entities (ISO 21091:2013); English version EN ISO 21091:2013
Edition 2013-06

Standards [New]

DIN EN ISO 21135

Chemicals for the leather tanning industry - Determination of the total content of certain bisphenols (ISO 21135:2024); German version EN ISO 21135:2024
Edition 2024-09

Standards [CURRENT]

DIN EN ISO 21148

Cosmetics - Microbiology - General instructions for microbiological examination (ISO 21148:2017); German version EN ISO 21148:2017
Edition 2017-09

Standards [CURRENT]

DIN EN ISO 21149

Cosmetics - Microbiology - Enumeration and detection of aerobic mesophilic bacteria (ISO 21149:2017 + Amd 1:2022); German version EN ISO 21149:2017 + A1:2022
Edition 2023-01

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