ISOLASI DAN KARAKTERISASI ASAM HUMAT DARI TANAH GAMBUT

atik rahmawati

Abstract


Telah dilakukan penelitian tentang isolasi dan kara- kterisasi asam humat hasil isolasi tanah gambut yang be- rasal dari Desa Sambutan, Kecamatan Samarinda Ilir, Sa- marinda, Kalimantan Timur.
Isolasi asam humat dari tanah gambut menggunakan metode ekstraksi alkali,  pemurnian dan penentuan kand- ungan gugus fungsional asam humat secara titrasi poten- siometri.
Hasil penelitian menunjukkan gugus fungsional utama asam humat hasil isolasi tanah gambut adalah gu- gus –COOH dan gugus –OH. Secara kuantitatif kandungan gugus fungsional tersebut masing-masing sebesar 426,2 cmol/kg (gugus –COOH), 289,6 cmol/kg (gugus –OH fenolat) dan 37,0 cmol/kg (gugus –OH alkoholat).


Keywords


Asam humat, Tanah Gambut, Isolasi, Karak- terisasi

Full Text:

PDF

References


Aiken, G.R., McKnight, D.M.,Wershaw, R.L. dan P. MacCarthy, P., 1985, “Humic Substance in Soil, Sediment and Water” : Geochemistry, Isolation, and Characterization, John Wiley

& Sons, New York.

Gaffney, J.S., Marley, N.A., Clarck, S.B., 1996, Humic and Fulvic Acids : Isolation, Structure and Environmental Role, Amer- ican Chemical Society, Washington, DC.

Gosh, K., dan Schnitzer, M., 1980, “Macromolecular Structures of

Humic Substances”, Soil Science, 129

Hayes, M.B., dan Himes, F.L., 1986, “Nature and Properties of Humus-Mineral Complexes”, In : “Interaction of Soil Mineral with Natural Organics and Microbes” (P.M. Huang dan M.Schnitzer), Soil Sci. Soc. Am. Special Publ.,

, Soil Sci. Am., Madison, WI : 103-158.

Ishiwatari, R., 1985, “Geochemistry of Humic Subtances in Lake Sediments” (dalam Aiken, dkk, 1985, Humic Subtances in Soils, Sediment and Water : Geochemistry, Isolation, and Characterization, John Wiley & Sons, New York.

Manahan, S.E., 2000, ”Environmental Chemistry”, Seventh Edi- tion, Willard Grant Press, Boston.

Sanchez-Cortez, S., Francioso, O., Garcia-Ramos, J.V., Marzadori, C., and Gessa, C.C.C., 2000, “Formation of Humic-like

substances from Phenols by means SERS Spectroscopy, p.121, In : Proceedings 10th International Meeting of the In- ternational-Humic Substances Society, IHSS 10, 24-28 July

-Touluse (France).

Schnitzer, M., 1986, “ Pengikatan Bahan Humat oleh Koloid Mineral Tanah”, (dalam Huang, P.M, dan Schnitzer, M., 1986, “Interaksi Mineral Tanah dengan Organik Alami dan Mik- roba”, Terjemahan : Goenadi, D.H., 1997), Gadjah Mada University Press, Yogyakarta.

Stevenson, F.J., 1994, “Humus Chemistry : Genesis, Composition, Reactions”, John Wiley & Sons Inc., New York.

Tan, K.H., 1998, “Dasar-dasar Kimia Tanah”, Gadjah Mada Uni- versity Press, Yogyakarta.

Tarchitzky, J., Y.Chen., dan A.Banin, 1993, “Humic Subtances and pH Effects on Sodium-and Calcium-Montmoril- lonite Flocculation and Dispersion”, Soil Science Soc. Am. J, 57 : 367-372.




DOI: http://dx.doi.org/10.21580/phen.2011.1.2.440

Refbacks

  • There are currently no refbacks.


Copyright (c) 2016 Phenomenon : Jurnal Pendidikan MIPA

Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Indexed By :
Journal Terindex di DOAJJournal Terindex di Google ScholarJournal Terindex di AcademiaJournal Terindex di Portal GarudaJournal Terindex di MorarefJournal Terindex di SintaJournal Terindex di Crossref Journal Terindex di BaseJournal Terindex di onesearch


Phenomenon: Jurnal Pendidikan MIPA

Fakultas Sains dan Teknologi, Universitas Islam Negeri Walisongo
Jl. Prof. Hamka km 2, Ngaliyan, Semarang - Indonesia
Phone: +62 24 7615387
Email: phenomenon@walisongo.ac.id