Phthalazin-Arbeitsstandard (sekundärer Referenzstandard), CAS 253-52-1, ist ein charakterisiertes sekundäres Referenzmaterial, das für analytische Laboratorien und Forschungseinrichtungen bereitgestellt wird und auf einen anwendbaren pharmazeutischen Referenzstandard wie USP, BP, JP oder Ph. Eur. rückverfolgbar ist, soweit zutreffend. Er ist für Forschungs- und Analysenzwecke bestimmt. Geliefert mit einem umfassenden Analysezertifikat, das die Identität durch geeignete analytische Techniken wie Massenspektrometrie, 1H-NMR und FT-IR dokumentiert, zusammen mit der Gehaltsbestimmung mittels HPLC und weiteren anwendbaren Qualitätsmerkmalen wie Trockenverlust und Restlösemittel, ist dieser Arbeitsstandard für den Einsatz in analytischen Laboratorien geeignet, in denen ein konsistentes und gut dokumentiertes sekundäres Referenzmaterial erforderlich ist.
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