Use of Ethylcellulose-Based Sorbent for Sample Preparation of Multicomponent Drugs Containing Salicylic Acid

被引：0

作者：

Kachalkin, M. N. ^{[1
]}

Voronin, A. V. ^{[1
]}

Kurkin, V. A. ^{[1
]}

机构：

[1] Samara State Med Univ, Minist Hlth Russia, 89 Chapaevskaya St, Samara 443099, Russia

来源：

PHARMACEUTICAL CHEMISTRY JOURNAL | 2024年 / 58卷 / 05期

关键词：

solid-phase extraction; ethylcellulose; sample preparation; salicylic acid; combined drugs; EXTRACTION;

D O I：

10.1007/s11094-024-03215-w

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

UV spectrophotometric determination of salicylic acid in several multicomponent drugs using an ethylcellulose-based sorbent for solid-phase extraction (SPE) for sample preparation was shown to be selective. Selective binding of the analyte to sorbent active sites and stepwise elution successively with purified water and NaOH solution (0.1 M) during SPE eliminated interference of other active pharmaceutical ingredients of multicomponent drugs during identification and quantitation of salicylic acid by UV spectrophotometry. Use of the ethylcellulose sorbent made it possible to improve the metrological parameters and decrease systematic error of the quantitative procedure by an average of 47%.

引用

页码：851 / 855

页数：5

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