PMID- 17217987
OWN - NLM
STAT- MEDLINE
DCOM- 20070514
LR  - 20161124
IS  - 0045-6535 (Print)
IS  - 0045-6535 (Linking)
VI  - 67
IP  - 7
DP  - 2007 Apr
TI  - Adsorption behavior of 2,4-dichlorophenol and pentachlorophenol in an allophanic 
      soil.
PG  - 1354-60
AB  - The adsorption of 2,4-dichlorophenol (2,4-DCP) and pentachlorophenol (PCP) by a 
      variable-charge soil from southern Chile was studied in a series of batch 
      equilibration experiments. 2,4-DCP and PCP adsorption behavior was evaluated as a 
      function of pH (pH values of 4.5, 6.0 and 7.5) in a 0.1M KCl (25 degrees C) 
      background solution for soil material collected at three different depths (0-20 
      cm, 20-40 cm, and 40-60 cm). 2,4-DCP and PCP adsorption decreased with increasing 
      soil pH, suggesting that the undissociated species were adsorbed more readily and 
      that electrostatic repulsion may inhibit partitioning as pH increases. The PCP 
      adsorption was greater than observed for 2,4-DCP and decreased with soil depth. 
      Multiple regression analysis between K(d) and various soil properties indicated 
      that the soil organic carbon content is a strong indicator of chlorophenol 
      adsorption, and in addition to organic carbon, the soil pH is an important 
      property controlling adsorption behavior.
FAU - Cea, Mara
AU  - Cea M
AD  - Department of Chemical Engineering, University of La Frontera, PO Box 54-D, 
      Temuco, Chile. mcea@ufro.cl
FAU - Seaman, J C
AU  - Seaman JC
FAU - Jara, Alejandra A
AU  - Jara AA
FAU - Fuentes, Barbara
AU  - Fuentes B
FAU - Mora, M L
AU  - Mora ML
FAU - Diez, M C
AU  - Diez MC
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PT  - Research Support, U.S. Gov't, Non-P.H.S.
DEP - 20070110
PL  - England
TA  - Chemosphere
JT  - Chemosphere
JID - 0320657
RN  - 0 (Chlorophenols)
RN  - 0 (Soil Pollutants)
RN  - D9BSU0SE4T (Pentachlorophenol)
RN  - R669TG1950 (2,4-dichlorophenol)
SB  - IM
MH  - Adsorption
MH  - Chemical Phenomena
MH  - Chemistry, Physical
MH  - Chile
MH  - Chlorophenols/*chemistry
MH  - Chromatography, High Pressure Liquid
MH  - Data Interpretation, Statistical
MH  - Hydrogen-Ion Concentration
MH  - Pentachlorophenol/*chemistry
MH  - Regression Analysis
MH  - Soil Pollutants/*analysis
MH  - Thermodynamics
EDAT- 2007/01/16 09:00
MHDA- 2007/05/15 09:00
CRDT- 2007/01/16 09:00
PHST- 2006/05/03 00:00 [received]
PHST- 2006/10/10 00:00 [revised]
PHST- 2006/10/19 00:00 [accepted]
PHST- 2007/01/16 09:00 [pubmed]
PHST- 2007/05/15 09:00 [medline]
PHST- 2007/01/16 09:00 [entrez]
AID - S0045-6535(06)01379-8 [pii]
AID - 10.1016/j.chemosphere.2006.10.080 [doi]
PST - ppublish
SO  - Chemosphere. 2007 Apr;67(7):1354-60. doi: 10.1016/j.chemosphere.2006.10.080. Epub 
      2007 Jan 10.