Sorption of Pentachlorophenol to HDTMA-Clay as a Function of Ionic Strength and pH

It is shown that the sorption and solubility of the protonated and deprotonated species of hydrophobic ionizable organic compounds are significantly different and must be considered when evaluating their environmental fate and transport.

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Bibliographic Details
Published inEnvironmental science & technology Vol. 28; no. 13; pp. 2330 - 2335
Main Authors Stapleton, Michael G, Sparks, Donald L, Dentel, Steven K
Format Journal Article
LanguageEnglish
Published Washington, DC American Chemical Society 01.12.1994
Subjects
Chemistry
CLAY SOILS
COMPOSE ORGANOCHLORE
COMPUESTO ORGANICO DEL CLORO
CROOK COUNTY, WYOMING
Environmental monitoring
Exact sciences and technology
General and physical chemistry
HEXADECYLTRIMETHLYAMMONIUM-MONTMORILLONITE
ION
ION STRENGTH EFFECTS
IONES
IONS
MONTMORILLONITA
MONTMORILLONITE
MONTMORILLONITES
ORGANOCHLORINE COMPOUNDS
PH DEL SUELO
PH DU SOL
SOIL PH
Soils
SOL ARGILEUX
Solid-liquid interface
SORCION
SORPTION
SUELO ARCILLOSO
Surface physical chemistry
WYOMING
Clay
Liquid solid interface
Montmorillonite
Liquid solid adsorption
Organic adsorbate
Adsorption isotherm
Solubility
Cationic surfactant
Experimental study
Medium effect
Ionic strength
Chlorine Organic compounds
pH
Pentachlorophenol
Aqueous solution
Modified material
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Summary:It is shown that the sorption and solubility of the protonated and deprotonated species of hydrophobic ionizable organic compounds are significantly different and must be considered when evaluating their environmental fate and transport.
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ISSN:0013-936X
1520-5851
DOI:10.1021/es00062a017