3 laboratories in Spain are accredited by ENAC under ISO/IEC 17025 to perform ASTM D4052 testing. From the accredited scope text: “ASTM D4052 ISO 12185 A Punto de Obstrucción de Filtros en Frío (POFF) (-20 °C a 11 °C) Cold Filter Plugging Point (-20 °C to 11 °C) UNE-EN 116 ASTM D6371 A Punto de Enturbiamiento método Detector Ópti” “ASTM D4052 UNE-EN ISO 12185 Contenido de Azufre por Fluorescencia de Rayos X Sulfur content by X-ray fluorescence spectrometry (0,1-4,0) % m/m ASTM D4294 UNE-EN ISO 8754 Contenido Agua por Destilación” “ASTM D4052 UNE-EN ISO 12185 A Destilación a presión atmosférica Método automatico Distillation at Atmospheric Pressure Automatic Method ASTM D86 UNE-EN ISO 3405 A Análisis cualitativo de azufre activo”
This page is a fixed slice of the register: every ASTM D4052 scope we hold for Spain. Search narrows it further by city, accreditation body, or a term from the scope text itself.
Entidad Nacional de Acreditación (ENAC) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in Spain.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.