Table of Contents
Advances in Environmental Chemistry
Volume 2015 (2015), Article ID 543614, 6 pages
http://dx.doi.org/10.1155/2015/543614
Research Article

Temperature Induced Aggregation and Clouding in Humic Acid Solutions

Department of Chemistry, University of Idaho, Moscow, ID 83844-2343, USA

Received 8 December 2014; Accepted 30 January 2015

Academic Editor: Claire Richard

Copyright © 2015 Leah Shaffer and Ray von Wandruszka. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. D. Šmejkalová and A. Piccolo, “Aggregation and disaggregation of humic supramolecular assemblies by NMR diffusion ordered spectroscopy (DOSY-NMR),” Environmental Science and Technology, vol. 42, no. 3, pp. 699–706, 2008. View at Publisher · View at Google Scholar · View at Scopus
  2. R. L. Wershaw, “Molecular aggregation of humic substances,” Soil Science, vol. 164, no. 11, pp. 803–813, 1999. View at Publisher · View at Google Scholar · View at Scopus
  3. N. E. Palmer and R. von Wandruszka, “Dynamic light scattering measurements of particle size development in aqueous humic materials,” Fresenius' Journal of Analytical Chemistry, vol. 371, no. 7, pp. 951–954, 2001. View at Publisher · View at Google Scholar · View at Scopus
  4. C. G. Malmberg and A. A. Maryott, “Dielectric constant of water from 0° to 100° C,” Journal of Research of the National Bureau of Standards, vol. 56, no. 1, pp. 1–7, 1956. View at Google Scholar
  5. R. R. Engebretson and R. von Wandruszka, “Kinetic aspects of cation-enhanced aggregation in aqueous humic acids,” Environmental Science & Technology, vol. 32, no. 4, pp. 488–493, 1998. View at Publisher · View at Google Scholar · View at Scopus
  6. Product Literature, Coulter N4 Plus Sub micron Particle Sizer, Coulter Corporation, Miami, Fla, USA.
  7. J. D. Ritchie and E. M. Perdue, “Proton-binding study of standard and reference fulvic acids, humic acids, and natural organic matter,” Geochimica et Cosmochimica Acta, vol. 67, no. 1, pp. 85–96, 2003. View at Publisher · View at Google Scholar
  8. C. Young and R. von Wandruszka, “A comparison of aggregation behavior in aqueous humic acids,” Geochemical Transactions, vol. 2–5, pp. 16–20, 2001. View at Publisher · View at Google Scholar · View at Scopus
  9. D. Dong and M. Winnik, “The py scale of solvent polarities. Solvent effects on the vibronic fine structure of pyrene fluorescence and empirical correlations with ET and Y values,” Photochemistry and Photobiology, vol. 35, no. 1, pp. 17–21, 1982. View at Publisher · View at Google Scholar
  10. R. R. Engebretson and R. von Wandruszka, “The effect of molecular size on humic acid associations,” Organic Geochemistry, vol. 26, no. 11-12, pp. 759–767, 1997. View at Publisher · View at Google Scholar · View at Scopus
  11. G. Basu Ray, I. Chakraborty, and S. P. Moulik, “Pyrene absorption can be a convenient method for probing critical micellar concentration (cmc) and indexing micellar polarity,” Journal of Colloid and Interface Science, vol. 294, no. 1, pp. 248–254, 2006. View at Publisher · View at Google Scholar · View at Scopus
  12. R. A. Robinson and R. H. Stokes, Electrolyte Solutions, chapter 4, David & Charles, Newton Abbot, UK, 2nd edition, 2002.
  13. M. Drastík, F. Novák, and J. Kučerík, “Origin of heat-induced structural changes in dissolved organic matter,” Chemosphere, vol. 90, no. 2, pp. 789–795, 2013. View at Publisher · View at Google Scholar · View at Scopus
  14. R. R. Engebretson and R. von Wandruszka, “Micro-organization in dissolved humic acids,” Environmental Science and Technology, vol. 28, no. 11, pp. 1934–1941, 1994. View at Publisher · View at Google Scholar · View at Scopus
  15. J. Riggle and R. von Wandruszka, “Conductometric characterization of dissolved humic materials,” Talanta, vol. 57, no. 3, pp. 519–526, 2002. View at Publisher · View at Google Scholar · View at Scopus