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Determination of admixtures of isophthalic acid and monoisophthaloyl chloride in isophthaloyl chloride by liquid chromatography

✍ Scribed by T. I. Podol'skaya; P. V. Smirnov; N. M. Kvasha

Publisher
Springer US
Year
1989
Tongue
English
Weight
217 KB
Volume
20
Category
Article
ISSN
0015-0541

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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.