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15N CP/MAS NMR as an instrument in structure investigations of organosilicon polymers (1999)

Brendler, E. ; Ebrecht, E. ; Thomas, B. ; [et al.]

Springer

Fresenius' journal of analytical chemistry 363 (1999), S. 185-188

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ISSN: 1432-1130

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract 15N solid state NMR without enrichment is rarely used because of the low sensitivity and low natural abundance of this nucleus. As demonstrated on different nitrogen-containing polysilanes and polysilazanes, it can be shown that with the CP/MAS technique spectra can be obtained in good quality and within acceptable measuring time. Three main different nitrogen sites – NSi3, NSi2H and NSiH2– can be observed as well as changes in the intensities of these sites with reaction and tempering conditions. Thus the spectra give valuable additional information for a better understanding of the structures and their changes within the investigated systems.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s002160051168

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