Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Spectroscopic Investigations of Soil Humic and Fulvic Acids from Okch'ǒn Basin

  • Hyun Sang Shin (Dept. of Chemistry, Korea Advanced Institute of Science and Technology) ;
  • Hichung Moon (Dept. of Chemistry, Korea Advanced Institute of Science and Technology) ;
  • Han Beom Yang (Korea Atomic Energy Research Institute) ;
  • Seok Sung Yun (Dept. of Chemistry, Chungnam National University)
  • Published : 1994.09.20
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Abstract

Three humic acids (HA) and one fulvic acid (FA) are extracted from soils of the Okch'on Basin (Koyesan, Yongkwang and Taejon), and are purified and characterized using $^1H,\;^{13}C$ NMR, and IR spectroscopic methods. The results are compared with one another and with commerical humic acid (Aldrich Co) and aquatic humic acid from Gorleben underground aquifer in Germany. The IR and $^1H\;and\;^{13}C$ NMR spectral features are found to be nearly identical, suggesting that humic substances formed in the Okch'on Basin have quite similar chemical properties. These humic substances from Okch'on Basin soils have undergone low degree of aromatic condensation and have high contents of aliphatic functionalities including carbohydrates.

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