Standards UNE - Spanish national standards - Page 1143

Organic and organo-mineral fertilizers - Determination of the inorganic arsenic content (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Standard published on 1.5.2022

Petroleum and natural gas industries - Offshore production installations - Major Accident hazard management during the design of new installations (ISO 17776:2016) (Endorsed by Asociación Espanola de Normalización in February of 2017.)

Standard published on 1.2.2017

Organic and organo-mineral fertilizers - Determination of the total organic carbon (TOC) content by dry combustion (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Standard published on 1.5.2022

Welding consumables - Covered electrodes for manual metal arc welding of copper and copper alloys - Classification (ISO 17777:2016)

Standard published on 14.12.2016

Organic and organo-mineral fertilizers - Determination of specific elements (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Standard published on 1.5.2022

Plastics piping systems - Fittings, valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships (ISO 17778:2015)

Standard published on 28.10.2015

Organic and organo-mineral fertilizers - Determination of the chromium (VI) content by chromotography (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Standard published on 1.5.2022

Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrate (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Standard published on 1.5.2022

Brazing - Specification and qualification of brazing procedures for metallic materials (ISO 17779:2021)

Standard published on 15.4.2026

Characteristic values for welded thermoplastics constructions - Determination of allowable stresses and moduli for design of thermoplastics equipment

Standard published on 29.4.2000