Szilikagél rétegen vébemenö ioncserés kölcsönhatások. III. Szerves bázisok szerves savakkal alkotott sói. Szerves savak és nátriumsók.

Translated title of the contribution: Ion exchange interactions on silica gel layers. III. Salts of organic bases with organic acids. Organic acids and sodium salts

J. Vámos, A. Brantner, I. Gracza, A. Lásztity, M. Józan

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

By thin-layer chromatographic and spectroscopic (UV, IR) methods it has been proved that bass and acid are formed from salts of organic bases with organic acids during primary interaction because of the ion exchange behaviour of the silica gel layer. The organic acids formed have interacted with metals on the layer during secondary ion exchange and they migrate further as salts again. It has also been established that the extent of secondary ion exchange between metal silanate groups and acids depends on pKS values of acids. On the basis of investigations it can be ascertained with great probability that organic acids of pKS greater than 7 do not interact with metal silanate groups of silica gel layer. Sodium salts of organic acids of pKS less than 3 values similarly do not interact on the other hand sodium salts of organic acids of pKS greater than 3 values are able to interact with silanol groups. It has been established by flame atomic emission method that salicylic acid interacts with sodium ion and 86% of it migrates further as sodium salicylate.

Original languageHungarian
Pages (from-to)69-86
Number of pages18
JournalActa Pharmaceutica Hungarica
Volume59
Issue number2
Publication statusPublished - Mar 1989

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Ion Exchange
Silica Gel
Salts
Sodium
Acids
Metals
Sodium Salicylate
Bass
Salicylic Acid
Ions

ASJC Scopus subject areas

  • Pharmaceutical Science

Cite this

Szilikagél rétegen vébemenö ioncserés kölcsönhatások. III. Szerves bázisok szerves savakkal alkotott sói. Szerves savak és nátriumsók. / Vámos, J.; Brantner, A.; Gracza, I.; Lásztity, A.; Józan, M.

In: Acta Pharmaceutica Hungarica, Vol. 59, No. 2, 03.1989, p. 69-86.

Research output: Contribution to journalArticle

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