Standards UNE - Spanish national standards - Page 1363

Chemical analysis of refractories containing alumina, zirconia, and silica - Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis (ISO 21079-2:2008) (Endorsed by AENOR in June of 2008.)

Standard published on 1.6.2008

Chemical analysis of refractories containing alumina, zirconia, and silica - Refractories containing 5 percent to 45 percent 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) (Endorsed by AENOR in June of 2008.)

Standard published on 1.6.2008

Information and documentation -- International Standard Book Number (ISBN)

Standard published on 26.12.2018

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)

Standard published on 18.11.2020

Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm (ISO/TS 21083-2:2019) (Endorsed by Asociación Espanola de Normalización in May of 2019.)

Standard published on 1.5.2019

COMMERCIAL PURITY ALUMINIUM FOR CONNECTION BARS. CHARACTERISTICS.

Standard published on 15.1.1969

Textiles - Method for determination of alkylphenols (AP) (ISO 21084:2019)

Standard published on 14.10.2020

SURGE ARRESTERS. PART 3: ARTIFICIAL POLLUTION TESTING OF SURGE ARRESTERS.

Standard published on 17.7.1995

Identification of cores in cables and flexible cords.

Standard published on 30.5.2002

Health Informatics - Harmonized data types for information interchange (ISO 21090:2011)

Standard published on 29.11.2011