2 laboratories in France are accredited by COFRAC under ISO/IEC 17025 to perform ISO 1833-20 testing. From the accredited scope text: “ISO 1833-20 Mélange de polyester et de certaines autres fibres Méthode à l’acide trichloroacétique / chloroforme NF EN ISO 1833-25 Mélange de Viscose et de Lin Méthode à l’acide formique / chlorure de” “ISO 1833-20 Mélanges ternaires de fibres Analyse quantitative des mélanges ternaires NF EN ISO 1833-2 Plumes et duvets Détermination de la turbidité de l’extrait aqueux Méthode d’essai par la détermin”
This page is a fixed slice of the register: every ISO 1833-20 scope we hold for France. Search narrows it further by city, accreditation body, or a term from the scope text itself.
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.