Determination of Phthalic Acid, 2-(3',5'-Dibromo-2',4'-Dihydroxybenzoyl) Benzoic Acid, and Tribromoresorcinol in the Color Additives D&C Red No. 21, D&C Red No. 22 (Eosin Y), and Their Lakes Using UHPLC

Certain impurities in the color additives drug and cosmetic (D&C) Red No. 21 (R21), D&C Red No. 22 (R22), and their lakes are limited to levels specified in the Code of Federal Regulations (CFR) and are quantified by the U.S. Food and Drug Administration in batches of these color additives s...

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Veröffentlicht in:	Journal of AOAC International 2019-05, Vol.102 (3), p.936-941
Hauptverfasser:	Belai, Nebebech, Weisz, Adrian
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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