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Issue 17, 2002
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EPR study on NO introduced into lithium ion-exchanged LTA zeolites

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Abstract

Nitrogen monoxide (NO) introduced into partially and fully lithium ion (Li+)-exchanged A-type zeolite was studied by X-band EPR measurements. Two types of NO species, NO monoradical and NO–NO biradical, were detected for the partially ion-exchanged zeolite, while the latter was less detectable for the fully ion-exchanged one. The EPR parameters of the NO monoradical provided evidence that the electrostatic field associated with Li+ ions in A-type zeolites is weaker than that with Na+ ions. It was found that the molecular distance of NO biradical formed in partially Li+-exchanged zeolite was shorter than that in sodium ion-exchanged A-type zeolite.

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Publication details

The article was received on 23 Apr 2002, accepted on 20 Jun 2002 and first published on 24 Jul 2002


Article type: Paper
DOI: 10.1039/B203930C
Phys. Chem. Chem. Phys., 2002,4, 4255-4259

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    EPR study on NO introduced into lithium ion-exchanged LTA zeolites

    H. Yahiro, K. Kurohagi, G. Okada, Y. Itagaki, M. Shiotani and A. Lund, Phys. Chem. Chem. Phys., 2002, 4, 4255
    DOI: 10.1039/B203930C

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