참고문헌
- Carmen Donisa, Raluca Mocanu, and Eiliv Steinnesl (2003) Distribution of some major and minor elements between fulvic and humic acid fractions in natural soils. Science direct. Geoderma 111, 75-84.
- MacCarthy P, C. E. Clapp, R. L. Malcolm, and P. R. Eds, Bloom (1990) Humic Substances in Soil and Crop Sciences: Selected Readings. Madison, WI: American Society of Agronomy, Soil Science Society of America.
- D. S. Orlov (1995) Humic Substances of Soils and General Theory of Humification. Balkema Publishers.
- P. MacCarthy (2001) Special Publication. pp. 19-30. Royal Society of Chemistry.
- Daqing Gan, Shaban, I. Kotob, and Daman, S. Walia (2007) Evaluation of a spectrophotometric method for practical and cost effective quantification of fulvic acid. Annals of Environmental Science. 1: 11-15.
- Rauthan, B. S. and M. Schnitzer (1981) Effects of a soil fulvic acid on the growth and nutrient content of cucmber (cucumis sativus) plants. Plant Soil. 63: 491-495. https://doi.org/10.1007/BF02370049
- Chen, Y. and T. Aviad (1990) Effects of humic substances on plant growth. In: MacCathy P, Clapp CE, Malcolm RL, Bloom PR. Eds. Humic Substances in Soil and Crop Sciences: Selected Readings. Madison, WI: American Society of Agronomy. Soil Science Society of America 161-186.
- Bartle, K. D., A. A. Clifford, S. B. Howthome, J. J. Langenfeld, D. J. Miller, and R. A. Robinson (1990) Model for dynamic extraction using a supercritical fluid. J. of the Supercritical fluids. 3: 143-149. https://doi.org/10.1016/0896-8446(90)90039-O
- Syuntaro Hiradate, Takuya Yonezawa and Hiroshi Takesako (2006) Isolation and purification of hydrophilic fulvic acids by precipitation. Science direct. Geoderma 132: 196-205.
- Yoo, B. S., H. T. Lee, S. R. Ko, D. C. Yang, and S. Y. Byun (2000) Studies on the extraction of polyacetylene from korean ginseng using supercritical carbon dioxide. Korea T. Biotechnol. Bioeng. 15: 80-83.
- Lee. Y. Y. (2001) Techinique using supercritical fluid (I), New & information for chemical engineers. 23: 298-301.
- Turner, C., J. W. King, and L. Mathiasson (2001) Supercritical fluid extraction and chromatography for fat-soluble vitamin analysis. J. Chromatogr. A 936: 215-237. https://doi.org/10.1016/S0021-9673(01)01082-2
- Lim, S. (1992) Performance characteristics of a continuous supercritical carbon dioxide separation system coupled with adsorption. Ph.D. Thesis. Cornell Univ. Ithaca, New York.
- Chen, J. B. Gu, E. J. Le Boeuf, H. Pan, and Dai, S. (2002) Spectroscopic characterization of the structural and functional properties of natural organic matter fractions. Chemosphere. 48: 59-68. https://doi.org/10.1016/S0045-6535(02)00041-3
- Green, S. A. and N. V. Blough (1994) Optical absorption and fluorescence properties of chromophoric dissolved organic matter in natural waters. Limnol. Oceanogr. 39: 1903-1916. https://doi.org/10.4319/lo.1994.39.8.1903
- Chin, Y. P., G. R. Aiken, and E. O'Loughlin (1994) Molecular weight, polydispersity and spectroscopic properties of aquatic humic substances. Environ. Sci. Technol. 11; 1853-1858.
- Jerlov, N. G. (1968) Optical oceanography. Elsevier., pp. 194. New York.
-
gracia, I., J. J. Rodriguez, M. T. Garcia, A. Alvarez, and A. Garcia (2007) Isolation of aroma compounds from sugar cane spirits by supercritical
$CO_2$ , J. of Supercritical Fluids, In Press. - Senorans, F. J., A. R. Rodriguez, E. Ibanez, J. Tavera, and G. Reglero (2001) Optimization of countercurrent supercritical fluid extraction conditions for spirit fractionation, J. of Supercritical Fluids 21: 41. https://doi.org/10.1016/S0896-8446(01)00086-9
- Ju, Y. W. (2005) Studies on production of a high contents of functional compounds in sesame oil by supercritical carbon dioxide. Ph.D. Dissertation, Ajou University, Suwon.
- Lee, J. H. and S. Y. Byun (2008) Enrichment of coffee flavors with supercritical carbon dioxide. Korean J. Biotechnol. Bioeng. 23: 193-198.