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CEQAT-DGHS interlaboratory tests for chemical safety: Validation of laboratory test methods by determining the measurement uncertainty and probability of incorrect classification including so-called “Shark profiles”

  • Laboratory test results are of vital importance for correctly classifying and labelling chemicals as “hazardous” as defined in the UN Globally Harmonized System (GHS) / EC CLP Regulation or as “dangerous goods” as defined in the UN Recommendations on the Transport of Dangerous Goods. Interlaboratory tests play a decisive role in assessing the reliability of laboratory test results. Interlaboratory tests performed over the last 10 years have examined different laboratory test methods. After analysing the results of these interlaboratory tests, the following conclusions can be drawn: 1. There is a need for improvement and validation for all laboratory test methods examined. 2. To avoid any discrepancy concerning the classification and labelling of chemicals, the use of validated laboratory test methods should be state of the art, with the results accompanied by the measurement uncertainty and (if applicable) the probability of incorrect classification. This paper addresses theLaboratory test results are of vital importance for correctly classifying and labelling chemicals as “hazardous” as defined in the UN Globally Harmonized System (GHS) / EC CLP Regulation or as “dangerous goods” as defined in the UN Recommendations on the Transport of Dangerous Goods. Interlaboratory tests play a decisive role in assessing the reliability of laboratory test results. Interlaboratory tests performed over the last 10 years have examined different laboratory test methods. After analysing the results of these interlaboratory tests, the following conclusions can be drawn: 1. There is a need for improvement and validation for all laboratory test methods examined. 2. To avoid any discrepancy concerning the classification and labelling of chemicals, the use of validated laboratory test methods should be state of the art, with the results accompanied by the measurement uncertainty and (if applicable) the probability of incorrect classification. This paper addresses the probability of correct/incorrect classification (for example, as dangerous goods) on the basis of the measurement deviation obtained from interlaboratory tests performed by the Centre for quality assurance for testing of dangerous goods and hazardous substances (CEQAT-DGHS) to validate laboratory test methods. This paper outlines typical results (e.g. so-called “Shark profiles” – the probability of incorrect classification as a function of the true value estimated from interlaboratory test data) as well as general conclusions and steps to be taken to guarantee that laboratory test results are fit for purpose and of high quality.zeige mehrzeige weniger

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Metadaten
Autoren/innen:Peter Lüth, S. Uhlig, K. Frost, Marcus Malow, Heike Michael-Schulz, Martin Schmidt, S. Zakel
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Präsentation
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Proceedings of the 13th International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions (ISHPMIE 2020)
Jahr der Erstveröffentlichung:2020
Organisationseinheit der BAM:2 Chemische Sicherheitstechnik
2 Chemische Sicherheitstechnik / 2.0 Abteilungsleitung und andere
Veröffentlichende Institution:Bundesanstalt für Materialforschung und -prüfung (BAM)
Verlag:Open Access Repository der Physikalisch-Technischen Bundesanstalt (PTB-OAR)
Verlagsort:Braunschweig
Jahrgang/Band:2020
Erste Seite:50
Letzte Seite:61
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurwissenschaften und zugeordnete Tätigkeiten
Freie Schlagwörter:Dangerous goods; Hazardous substances; Incorrect classification; Interlaboratory test; Measurement uncertainty; Quality assurance; Shark profile; Test method; Validation
Themenfelder/Aktivitätsfelder der BAM:Material
Material / Materialien und Stoffe
Veranstaltung:13th International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions (ISHPMIE 2020)
Veranstaltungsort:Braunschweig, Germany
Beginndatum der Veranstaltung:27.07.2020
Enddatum der Veranstaltung:31.07.2020
DOI:https://doi.org/10.7795/810.20200724
URN:urn:nbn:de:kobv:b43-515376
URL:https://oar.ptb.de/files/download/5f3e662f4c93901010006dbf
Verfügbarkeit des Dokuments:Datei für die Öffentlichkeit verfügbar ("Open Access")
Lizenz (Deutsch):License LogoCreative Commons - CC BY-ND - Namensnennung - Keine Bearbeitungen 4.0 International
Datum der Freischaltung:16.11.2020
Referierte Publikation:Nein
Schriftenreihen ohne Nummerierung:Wissenschaftliche Artikel der BAM