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200 MHz /sup 1/H NMR spectral catalog of standards related to low-rank coal-derived materials, Supplement 1. [Spectra of 125 compounds]


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High resolution /sup 1/H NMR is used extensively to identify the components of complex low-rank coals-derived materials. We have compiled a catalog of 302 spectra of standards in Volume I. Volume II consists of an additional 125 spectra in a similar format. Many of these compounds have only recently become available. Volume II is divided into two sections: a tabular listing of all the compounds with their correct names, structures, and a line list of the chemical shifts; and a section which contains the actual spectra. Volume II also contains several new features. We have added appendices which contain alphabetical, formula, and molecular weight indices. These contain references to both volumes as well as references to a forthcoming mass spectral catalog. We have added an alphabetical listing of all the compounds contained in both NMR catalogs. Molecular weight and formula indices are also included. An added feature is the expanded coverage of nitrogen-containing compounds: divided into aliphatic amines, aromatic amines (anilines), pyrrolidines, pyrroles, indoles and carbazoles, piperidines and pyridines, and 2- and 3-ring heterocycles. Though there are many /sup 1/H NMR spectral catalogs in print, there are none that contain spectra run on 200 MHz spectrometers. Many spectra, that appear complex at 60 MHz, become first order at 200 MHz, facilitating their interpretation. The majority of our samples are extremely complex mixtures. The simplification of the spectra of the individual components is necessary to characterize these coal-derived liquids. Another advantage of /sup 1/H NMR spectra run at 200 MHz is the increase in sensitivity over those run at 60 MHz. Smaller, or more dilute samples may therefore be utilized.

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Last Updated September 29, 2016, 12:07 (EDT)
Created September 29, 2016, 12:07 (EDT)
Citation Farnum, S.A.; Gaides, G.E.; Farnum, B.W.; Wolfson, A.C.
Netl Product yes
Poc Email
Point Of Contact Roy Long
Program Or Project KMD
Publication Date 1985-2-1