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Determination of Nitidine Chloride in Toothpaste by Dual Gradient Two-Dimensional High-Performance Liquid Chromatography

✍ Scribed by Zhang, Yan; Ma, Xiao Fei; Lv, Pin; Zhang, Jing Xuan; Pang, Kun; Cong, Bin

Book ID
124064079
Publisher
Taylor and Francis Group
Year
2014
Tongue
English
Weight
287 KB
Volume
47
Category
Article
ISSN
0003-2719

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Determination of benzalkonium chloride i
Determination of benzalkonium chloride in aqueous ophthalmic preparations by high-performance liquid chromatography
✍ A. Gomez-Gomar; M.M. Gonzalez-Aubert; J. Garces-Torrents; J. Costa-Segarra πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 288 KB

A high-performance liquid chromatographic method is described for the determination of homologues of benzalkonium chloride in aqueous ophthalmic preparations. The technique involves direct injection of the sample on a 5-microns Spherisorb-CN column. The mobile phase is acetonitrile-triethylamine (0.