Site of Chlorine Interaction With a Cation-Exchange Resin (Chelex-100)

Bhindi A.K., Chiswell B. and Rauchle G.P. (1992) Site of Chlorine Interaction With a Cation-Exchange Resin (Chelex-100). Australian Journal of Chemistry, 45 7: 1143-1153. doi:10.1071/CH9921143


Author Bhindi A.K.
Chiswell B.
Rauchle G.P.
Title Site of Chlorine Interaction With a Cation-Exchange Resin (Chelex-100)
Journal name Australian Journal of Chemistry   Check publisher's open access policy
ISSN 1445-0038
Publication date 1992-01-01
Sub-type Article (original research)
DOI 10.1071/CH9921143
Volume 45
Issue 7
Start page 1143
End page 1153
Total pages 11
Subject 1600 Chemistry
Abstract X-Ray photoelectron spectroscopy, 13C and 1H solution-state n.m.r., and 13C solid-state n.m.r. were used in chlorination studies on compounds, which act as models for the exchange group and the styrene divinylbenzene copolymer backbone ofChelex-100, to determine the site and mechanism of chlorine attack. Results indicate that the resin cleaves upon chlorination, and a cleavage mechanism, involving initial attack by chlorine on the exchange group imine nitrogen electron lone pairs, is proposed. The N-halo quaternary species formed loses a molecule of hydrogen chloride to give a Schiff base, which undergoes hydrolysis to an aldehyde and an ammonium salt.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 23 Aug 2016, 15:51:41 EST by System User