Application of FT-i.r. spectroscopy to the determination of COOH groups in coal

Michael Starsinic, Yoshinobu Otake, Philip L. Walker, Paul C. Painter

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Abstract

FT-i.r. studies of acid-demineralized and cation-loaded lignites demonstrate that exchange methods presently being used to determine carboxylic acid groups in coal produce systematic errors. An i.r. method based on intensity measurements of the 1710 cm-1 carboxylic acid C = 0 stretching mode is reported.

Original languageEnglish
Pages (from-to)1002-1007
Number of pages6
JournalFuel
Volume63
Issue number7
DOIs
Publication statusPublished - Jul 1984

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Keywords

  • COOH groups
  • FT-i.r.
  • coal
  • instrumental methods of analysis

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