27Al →31P 3QMAS/HETCOR experiment in aluminophosphate molecular sieves

Gregor Mali; Jean-Paul Amoureux; Venčeslav Kaučič

doi:10.1039/B006381I

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²⁷Al → ³¹P 3QMAS/HETCOR experiment in aluminophosphate molecular sieves

Gregor Mali,*^a Jean-Paul Amoureux^b and Venčeslav Kaučič^ac

Author affiliations

* Corresponding authors

^a National Institute of Chemistry, Ljubljana, Sloenia
E-mail: gregor.mali@ki.si

^b Uniersite des Sciences et Technologies de Lille, Lille, France

^c Uniersity of Ljubljana, Ljubljana, Sloenia

Abstract

A 3QMAS/HETCOR experiment between spin-⁵/²; nuclei (²⁷Al) and spin-½ nuclei (³¹P) has been applied to aluminophosphate molecular sieves. It was shown that a reasonable sensitivity of the experiment can be achieved even on a narrow-bore NMR spectrometer that allows only low radiofrequency fields, if the conversion from the aluminium triple quantum into single quantum level and cross-polarization from aluminium to phosphorus nuclei are carefully optimized. The application of ANAFOR processing to the 3QMAS/HETCOR data was also demonstrated and it was shown that in this way the required experimental time can be reduced, approximately, by a factor of ten.

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Article information

DOI: https://doi.org/10.1039/B006381I
Article type: Paper
Submitted: 03 Aug 2000
Accepted: 18 Oct 2000
First published: 22 Nov 2000

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Phys. Chem. Chem. Phys., 2000,2, 5737-5742

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²⁷Al → ³¹P 3QMAS/HETCOR experiment in aluminophosphate molecular sieves

G. Mali, J. Amoureux and V. Kaučič, Phys. Chem. Chem. Phys., 2000, 2, 5737 DOI: 10.1039/B006381I

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