Citronensäure-Arbeitsstandard (sekundärer Referenzstandard), CAS 77-92-9, ist ein charakterisiertes sekundäres Referenzmaterial, das für analytische Laboratorien und Forschungseinrichtungen bereitgestellt wird und je nach Anwendbarkeit auf einen einschlägigen pharmakopöischen Referenzstandard wie USP, BP, JP oder Ph. Eur. rückverfolgbar ist. Es ist für Forschungs- und Analysezwecke bestimmt. Geliefert mit einem umfassenden Analysenzertifikat, das die Identität mittels relevanter analytischer Techniken wie Massenspektrometrie, 1H-NMR und FT-IR dokumentiert, zusammen mit der Gehaltsbestimmung mittels HPLC und weiteren anwendbaren Qualitätsmerkmalen wie Trocknungsverlust und Restlösungsmitteln, eignet sich dieser Arbeitsstandard für den Einsatz in analytischen Laboratorien, in denen ein konsistentes und gut dokumentiertes sekundäres Referenzmaterial erforderlich ist.
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