%0 Journal Article
%T qualitativeandquantitativeatr-ftiranalysisanditsapplicationtocoalcharofdifferentranks
%A andrew
%A o.
%A odeh
%J 燃料化学学报
%P 129-137
%D 2015
%X ？thispaperanalyzesthecoaltocharstagesofcharformationofsixcoalsofdifferentranksbyusingfouriertransforminfraredcoupledwithattenuatedtotalreflectance(atr-ftir).thecharswereobtainedbycoalpyrolysiscarriedoutattemperaturerangeof450~700.thedataobtainedshowsthepragmaticdisappearanceofthealiphatichydrogencontentwithincreasingcharformationtemperature.numericalevaluationofthespectraenabledthedeterminationofaromaticity,fa.thearomaticitywasfoundtobebetween0.66~0.79forlignite,0.75~0.90forsub-bituminous,0.84~1.00forlowvolatilebituminous,0.83~1.00forhighvolatilebituminous,0.94~1.00forsemi-anthracite,and0.97~1.00foranthraciterespectively.withincreasingrankofcoalsamples,spectraexhibitrisingaromaticityandenhancedcondensationofaromaticrings,whereasthealiphaticchainlengthsdecrease.
%K qualitative
%K quantitative
%K ft-ir
%K coalchar
%U http://rlhxxb.sxicc.ac.cn/CN/abstract/abstract18566.shtml