Optimizing the conditions of quantitativ
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Petra Luukko; Leila Alvila; Timo Holopainen; Jouni Rainio; Tuula T. Pakkanen
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Article
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1998
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John Wiley and Sons
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English
⚖ 130 KB
👁 2 views
The experimental time of 13 C-NMR quantitative analysis of phenol-formaldehyde resins was reduced so that quantitativeness was maintained. The quantitative spectra of 14 model resins were obtained using a gated decoupling technique suppressing the NOE. The paramagnetic additive, Cr(acac) 3 , was use