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Quantitative 13C n.m.r. characterization of aqueous formaldehyde resins: 1. Phenol-formaldehyde resins

โœ Scribed by D.D. Werstler

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
589 KB
Volume
27
Category
Article
ISSN
0032-3861

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๐Ÿ“œ SIMILAR VOLUMES

Optimizing the conditions of quantitativ
Optimizing the conditions of quantitative 13C-NMR spectroscopy analysis for phenolโ€“formaldehyde resol resins
โœ Petra Luukko; Leila Alvila; Timo Holopainen; Jouni Rainio; Tuula T. Pakkanen ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 130 KB ๐Ÿ‘ 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