S. R. Kelemen

Direct Characterization of Kerogen by X-ray and Solid-State ¹³C Nuclear Magnetic Resonance Methods

S. R. Kelemen, Mobae Afeworki, Martin L. Gorbaty et al. · Energy & Fuels · 2007 · 489 citations

Natural Sciences, Chemistry, Materials Science +17

Quantification of Nitrogen Forms in Argonne Premium Coals

S. R. Kelemen, Martin L. Gorbaty, P. J. Kwiatek · Energy & Fuels · 1994 · 299 citations

Engineering, Chemistry, Mining Engineering +8

Direct determination and quantification of sulphur forms in heavy petroleum and coals

S. R. Kelemen, Graham N. George, Martin L. Gorbaty · Fuel · 1990 · 295 citations

Natural Sciences, Chemistry, Earth Sciences +16

Maturity Trends in Raman Spectra from Kerogen and Coal

S. R. Kelemen, Howard L. Fang · Energy & Fuels · 2001 · 242 citations

Natural Sciences, Chemistry, Earth Sciences +17

XPS and ¹⁵N NMR Study of Nitrogen Forms in Carbonaceous Solids

S. R. Kelemen, Mobae Afeworki, Martin L. Gorbaty et al. · Energy & Fuels · 2002 · 194 citations

Natural Sciences, Chemistry, Materials Science +13