Standards UNE - Spanish national standards - Page 1208

Nuclear fuel technology - Dissolution of plutonium dioxide-containing materials - Part 1: Dissolution of plutonium dioxide powders (ISO 18256-1:2019) (Endorsed by Asociación Espanola de Normalización in March of 2021.)

Standard published on 1.3.2021

Nuclear fuel technology - Dissolution of plutonium dioxide-containing materials - Part 2: Dissolution of MOX pellets and powders (ISO 18256-2:2019) (Endorsed by Asociación Espanola de Normalización in March of 2021.)

Standard published on 1.3.2021

Biotechnology - Large-scale process and production - Control procedures for raw materials

Standard published on 20.11.1996

Permanent magnet products - Procedure for declaring recycling-relevant information (Endorsed by Asociación Espanola de Normalización in June of 2026.)

Standard published on 1.6.2026

Policy and security requirements on trust services on electronic ledgers (Endorsed by Asociación Espanola de Normalización in May of 2026.)

Standard published on 1.5.2026

Metallic materials - Conversion of hardness values (ISO 18265:2013)

Standard published on 12.3.2014

Nanotechnologies - Guidance on the determination of the aggregation and agglomeration state of nano-objects (Endorsed by Asociación Espanola de Normalización in June of 2026.)

Standard published on 1.6.2026

Respiratory protective devices - Half masks without inhalation valves and with separable filters to protect against gases or gases and particles or particles only - Requirements, testing, marking

Standard published on 5.5.2010

Rubber, vulcanized or thermplastic. Determination of shear modulus and adhesion to rigid plates. Quadruple-shear methods.

Standard published on 29.12.2021

Textiles - Circular economy for textile products - Part 1: General principles and guidance (Endorsed by Asociación Espanola de Normalización in September of 2026.)

Standard published on 1.9.2026