7 laboratories in Germany are accredited by DAKKS under ISO/IEC 17025 to perform ISO 5164 testing. From the accredited scope text: “ISO 5164 2014-10 Mineralölerzeugnisse - Bestimmung der Klopf - festigkeit von Ottokraftstoffen - Research-Verfahren 1.1.55 ASTM D 2699 2019 Standard Test Method for Research Octane Number of Spark Ign” “ISO 5164 2005-06 Mineralölerzeugnisse - Bestimmung der Klopffestigkeit von Ottokraftstoffen - Research-Verfahren 1.1.55 DIN EN ISO 5164 2014-10 Mineralölerzeugnisse - Bestimmung der Klopffestigkeit vo” “ISO 5164 2014-10 Petroleum products - Determination of knock characteristics of motor fuels - Research method ASTM D 2699 2024 Standard Test Method for Research Octane Number of Spark-Ignition Engine”
This page is a fixed slice of the register: every ISO 5164 scope we hold for Germany. 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.