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9 results on '"Cook, Alan C."'

1. Standardization of reflectance measurements in dispersed organic matter: Results of an exercise to improve interlaboratory agreement

Author

Hackley, Paul C., Araujo, Carla Viviane, Borrego, Angeles G., Bouzinos, Antonis, Cardott, Brian J., Cook, Alan C., Eble, Cortland, Flores, Deolinda, Gentzis, Thomas, Gonçalves, Paula Alexandra, Mendonça Filho, João Graciano, Hámor-Vidó, Mária, Jelonek, Iwona, Kommeren, Kees, Knowles, Wayne, Kus, Jolanta, Mastalerz, Maria, Menezes, Taíssa Rêgo, Newman, Jane, Oikonomopoulos, Ioannis K., Pawlewicz, Mark, Pickel, Walter, Potter, Judith, Ranasinghe, Paddy, Read, Harold, Reyes, Julito, Rosa Rodriguez, Genaro De La, Alves Fernandes de Souza, Igor Viegas, Suárez-Ruiz, Isabel, Sýkorová, Ivana, and Valentine, Brett J.

Published
2015
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2. The investigation of chemical structure of coal macerals via transmitted-light FT-IR microscopy by X. Sun

Author

Hower, James C., Suárez Ruiz, Isabel, Mastalerz, Maria, Cook, Alan C., Hower, James C., Suárez Ruiz, Isabel, Mastalerz, Maria, and Cook, Alan C.

Abstract

A recent paper by Sun [X. Sun, Spectrochim. Acta A 62 (1–3) (2005) 557] attempts to characterize a variety of liptinite, termed “barkinite”, from Chinese Permian coals. The component identified does not appear to fundamentally differ from previously-described liptinite macerals included in the International Committee for Coal and Organic Petrology's system of maceral nomenclature. Further, chemical comparisons made with macerals from coals of different rank and age are flawed because the author did not account for changes in chemistry with rank or for the chemical changes associated with botanical changes through geologic time. The author has not satisfactorily proved his hypothesis that the component differs morphologically or chemically from known liptinite-group macerals.

Published
2007

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