Standards UNE - Spanish national standards - Page 1128

Bio-based products- Use of stable isotope ratios of Carbon, Hydrogen, Oxygen and Nitrogen as tools for verification of the origin of bio-based feedstock and characteristics of production processes - overview of relevant existing applications

Standard published on 27.4.2022

Resistance welding - Vocabulary - Part 1: Spot, projection and seam welding (ISO 17677-1:2021)

Standard published on 15.12.2021

Food processing machinery - Craft bakery and pastry depositors - Safety and hygiene requirements (Endorsed by Asociación Espanola de Normalización in December of 2024.)

Standard published on 1.12.2024

Installation of post-tensioning kits for prestressing of structures - Part 1: Competence of personnel

Standard published on 22.3.2023

Installation of post-tensioning kits for prestressing of structures - Part 2: Assessment of personnel

Standard published on 6.3.2024

Milk and milk products - Determination of milk fat purity by gas chromatographic analysis of triglycerides (ISO 17678:2019)

Standard published on 22.7.2020

Plastics - Plastic films - Determination of tear resistance using a trapezoidal test specimen with incision

Standard published on 18.1.2023

Sustainability of construction works - Evaluation of the potential for sustainable refurbishment of buildings

Standard published on 10.4.2024

Textiles and textile products - Per- and polyfluoroalkyl substances (PFAS) - Part 1: Analysis of an alkaline extract using liquid chromatography and tandem mass spectrometry (Endorsed by Asociación Espanola de Normalización in June of 2025.)

Standard published on 1.6.2025

Textiles and textile products - Organic fluorine - Part 2: Determination of volatile compounds by extraction method using gas chromatography

Standard published on 7.6.2023