UNE - Spanish national standards

RECIPROCATING INTERNAL COMBUSTION ENGINES. SAFETY REQUIREMENTS FOR DESIGN AND CONSTRUCTION OF ENGINES FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES. PART 1: GROUP II ENGINES FOR USE IN FLAMMABLE GAS AND VAPOUR ATMOSPHERES.

Available languages: English, Spanish

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RECIPROCATING INTERNAL COMBUSTION ENGINES. SAFETY REQUIREMENTS FOR DESIGN AND CONSTRUCTION OF ENGINES FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES. PART 2: GROUP I ENGINES FOR USE IN UNDERGROUND WORKINGS SUSCEPTIBLE FOR FIREDAMP AND/OR COMBUSTIBLE DUST

Available languages: English, Spanish

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RECIPROCATING INTERNAL COMBUSTION INGINES. SAFETY REQUIREMENTS FOR DESIGN AND CONSTRUCTION OF ENGINES FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES. PART 3: GROUP II ENGINES FOR USE IN FLAMMABLE DUST ATMOSPHERES

Available languages: English, Spanish

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Animal and vegetable fats and oils - Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC/MS - Part 1: Method using fast alkaline transesterification and measurement for 3-MCPD and differential measurement for glycidol (ISO 18363-1:2015)

Available languages: English, Spanish

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Animal and vegetable fats and oils - Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC/MS - Part 2: Method using slow alkaline transesterification and measurement for 2-MCPD, 3-MCPD and glycidol (ISO 18363-2:2025)

Available languages: English, Spanish

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Animal and vegetable fats and oils - Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC/MS - Part 3: Method using acid transesterification and measurement for 2-MCPD, 3-MCPD and glycidol (ISO 18363-3:2024)

Available languages: English, Spanish

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Animal and vegetable fats and oils - Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC/MS - Part 4: Method using fast alkaline transesterification and measurement for 2-MCPD, 3-MCPD and glycidol by GC-MS/MS (ISO 18363-4:2021)

Available languages: English, Spanish

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Hydrometry - Selection, establishment and operation of a gauging station (ISO 18365:2013)

Available languages: English, Spanish

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Ophthalmic optics - Contact lenses - Part 1: Vocabulary, classification system and recommendations for labelling specifications (ISO 18369-1:2017, Corrected version 2017-10-01)

Available languages: English, Spanish, Irish

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Ophthalmic optics - Contact lenses - Part 2: Tolerances (ISO 18369-2:2017)

Available languages: English, Spanish

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