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The effect of water content on solid-state 13C NMR quantitation and relaxation rates of soil organic matter

✍ Scribed by R. J. Smernik

Book ID
118700299
Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
679 KB
Volume
57
Category
Article
ISSN
1351-0754

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Background Signal in Solid State 13C NMR
Background Signal in Solid State 13C NMR Spectra of Soil Organic Matter (SOM)β€”Quantification and Minimization
✍ Ronald J. Smernik; J.Malcolm Oades πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 112 KB

13 C background signal, obtained for an empty rotor, was shown by spin counting experiments to be equivalent to 1 mg of observable carbon for cross-polarization (CP) spectra and 69 mg of observable C for Bloch decay (BD) spectra. The BD background was mainly due to Kel-F in the stator, with minimal