Volume 96 Issue 1 | p. 9 | Concentrates
Issue Date: January 1, 2018

Atomic force microscopy and infrared spectroscopy combine to give close-up look at organic matter in shale

Grains separated by mere micrometers can differ substantially in chemical composition
Department: Science & Technology
News Channels: Analytical SCENE, Organic SCENE, Nano SCENE
Keywords: Geochemistry, analytical chemistry, shale, organic matter

Shale, a sedimentary rock that is a rich source of petroleum, consists of solid organic matter scattered in a mineral framework. Scanning electron microscopy reveals that neighboring organic matter particles often differ greatly in porosity, but such measurements reveal little about their underlying chemical compositions. Andrew E. Pomerantz of Schlumberger-Doll Research Center and coworkers have now used atomic-force-microscopy-based infrared spectroscopy for nanoscale chemical and mechanical characterization of organic matter from the New Albany Shale geological . . .

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