%0 Journal Article %T The application of LC-NMR and LC-SPE-NMR to compositional studies of natural organic matter %A Simpson, Andre J. %A Tseng, Li-Hong %A Simpson, Myrna J. %A Spraul, Manfred %A Braumann, Ulrich %A Kingery, William L. %A Kelleher, Brian P. %A Hayes, Michael H. B. %J The Analyst %V 129 %N 12 %P 1216-1222 %@ 0003-2654 %D 2004-11-24 %I The Royal Society of Chemistry %~ DeepDyve