Colloid chemistry of kaolinitic tropical soils

Jon Chorover, G. Sposito

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Highly weathered soils of the humid tropics may exhibit loss of aggregate stability and dispersion of hydroxyl-bearing soil constituents as a result of management-induced changes in soil solution chemistry. The effects of pH and 1:1 "indifferent' electrolyte concentration on the surface charge and flocculation of colloids extracted from four representative kaolinitic tropical soils were examined by microelectrophoresis and light scattering methods. The pH and ionic strength dependence of colloidal stability observed for the soils is consistent with an electrostatic stabilization mechanism among their clay-sized particles. -Authors

Original languageEnglish (US)
Pages (from-to)1558-1564
Number of pages7
JournalSoil Science Society of America Journal
Volume59
Issue number6
StatePublished - 1995
Externally publishedYes

Fingerprint

kaolinitic soils
tropical soil
tropical soils
colloids
colloid
chemistry
soil
humid tropics
flocculation
aggregate stability
light scattering
ionic strength
soil solution
electrolytes
clay
electrolyte
stabilization
methodology

ASJC Scopus subject areas

  • Soil Science
  • Earth-Surface Processes

Cite this

Colloid chemistry of kaolinitic tropical soils. / Chorover, Jon; Sposito, G.

In: Soil Science Society of America Journal, Vol. 59, No. 6, 1995, p. 1558-1564.

Research output: Contribution to journalArticle

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