Comparison of physical and chemical properties of maceral groups separated by density dradient centrifugation

Estimation of coal aromaticities by proton-decoupled carbon-13 magnetic resonance spectra of whole coals

David L. VanderHart, H. L. Retcofsky · Fuel · 1976 · 175 citations

Natural Sciences, Chemical Engineering, Chemistry +9

Separation of coal macerals

Gary R. Dyrkacz, E. Philip Horwitz · Fuel · 1982 · 173 citations

Engineering, Mining Engineering, Separation Processes +3

Prospects for carbon-13 nuclear magnetic resonance analysis of solid fossil-fuel materials

Victor J. Bartuska, G MACIEL, Jacob Schaefer et al. · Fuel · 1977 · 134 citations

Natural Sciences, Chemistry, Materials Science +12

Carbon distribution in coals and coal macerals by cross polarization magic angle spinning carbon-13 nuclear magnetic resonance spectrometry

Michael A. Wilson, Ronald J. Pugmire, Jirina Karas et al. · Analytical Chemistry · 1984 · 125 citations

Natural Sciences, Chemistry, Analytical Chemistry +11

Carbon-13 CP/MAS spectroscopy of coal macerals

Kurt W. Zilm, Ronald J. Pugmire, James R. Allan et al. · Fuel · 1981 · 99 citations

Natural Sciences, Chemistry, Mining Engineering +8