✦ LIBER ✦

Characterization of whole coals by 13C CP/MAS spectroscopy at high field

✍ Scribed by Robert E. Botto; Randall E. Winans

Publisher: Elsevier Science
Year: 1983
Tongue: English
Weight: 343 KB
Volume: 62
Category: Article
ISSN: 0016-2361
DOI: 10.1016/0016-2361(83)90080-7

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Characterization by 13C CP/MAS n.m.r. sp

Characterization by 13C CP/MAS n.m.r. spectroscopy of the structural changes in coals after chemical treatments

✍ Dirk V. Franco; Jan M. Gelan; Henri J. Martens; Dirk J.-M. Vanderzande 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 839 KB

Application of high-field, high-resoluti

Application of high-field, high-resolution 13C CP/MAS n.m.r. spectroscopy to the structural analysis of Yallourn coal

✍ Yasuo Ohtsuka; Tsunenori Nozawa; Akira Tomita; Yasukatsu Tamai; Masahiro Hatano 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 584 KB

High-field, high-resolution 13C cross-polarization and magic angle spinning nuclear magnetic resonance experiments are reported on Yallourn brown coal and on products obtained from the coal by heat treatment. The spectral resolution at 75 MHz is much improved over that previously reported for lower

Characterization of some coals and coal

Characterization of some coals and coal intercalations by high-resolution 1H (BR-24/MAS at 270 MHz) and 13C (CP/MAS) n.m.r. in solids

✍ Hans Rosenberger; Gerhard Scheler; Eberhard Künstner 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 710 KB

High resolution 'H n.m.r. studies combining the BR-24 multiple-pulse method after BURUM and RHIM with fast magic-angle sample spinning (MAS), and high resolution solid-state i3C n.m.r. measurements with cross polarization (CP) and MAS have been used for investigating: a number of coals of different

A limitation of 13C CP-MAS n.m.r. spectr

A limitation of 13C CP-MAS n.m.r. spectroscopy for the study of treated coals

✍ Jean-Marie Dereppe; Claudette Moreaux 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 225 KB

Conformational characterization of poly(

Conformational characterization of poly(l-phenylalanine) in the solid state by 13C CP-MAS NMR spectroscopy

✍ Hidetoshi Miyamoto; Ryuji Takezaki; Tadashi Komoto; Isao Ando; Hazime Saitô; Tak 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 317 KB

Coal flash pyrolysis: 1. An indication o

Coal flash pyrolysis: 1. An indication of the olefin precursors in coal by CP/MAS 13C n.m.r. spectroscopy

✍ William H. Calkins; Edward Hagaman; Henry Zeldes 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 619 KB

The results reported indicate that the low molecular weight olefins (ethylene, propylene and butadiene) which are major gaseous hydrocarbon products of flash pyrolysis of coal derive from the same precursors in coal, whereas methane, benzene and other pyrolysis products are mainly formed from differ