Facile and Accurate Analysis of Sodium Dehydroacetate in Cosmetic Powders After Extraction by Na2CO3-Methanol-H2O and Derivatization with 4-Nitrophenylhydrazine∙HCl

Sodium dehydroacetate (SDA) was extracted from cosmetic powders using a Na2CO3-methanol-H2O system. After the extract was neutralized, the resulting dehydroacetic acid (DAA) reacted with 4-nitrophenylhydrazine∙HCl (4-NPH∙HCl) to give the corresponding hydrazone, which was determined by an HPLC-VIS (...

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Veröffentlicht in:	CHROMATOGRAPHY 2017/06/20, Vol.38(2), pp.73-77
Hauptverfasser:	NOJIMA, Kazuhiro, NIITSU, Masaru, KUROSAWA, Yuuji, IZAWA, Takuya, NAKAYAMA, Koji, ITOH, Hisaaki
Format:	Artikel
Sprache:	eng
Schlagworte:	4-Nitrophenylhydrazine∙HCl Antiseptic Cosmetic powder Dehydroacetic acid Sodium dehydroacetate
Online-Zugang:	Volltext
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