pp'-DDT adsorption to suspended particulate matter in sea water

Details pp'-DDT adsorption to suspended particulate matter in sea water pp'-DDT adsorption to suspended particulate matter in sea water

Jul 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974gecoa..38.1061p&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 38, Issue 7, pp.1061-1073

Physics

2

Scientific paper

A procedure was devised to study pp'-DDT [2,2-bis( p -chlorophenyl)-1,1,1-trichloroethane] adsorption and desorption to suspended particulates in aqueous solutions. DDT adsorption to a marine sediment, sediment fractions, clay and humic acid suspended in sea water was investigated and the humic fraction was found to have a greater adsorbing capacity than the clay or sediment. Removal of the humic fraction from sediment reduced the adsorption capacity to less than 60 per cent of the original sediment sample. It was concluded that suspended humic particulates may be important agents for transporting chlorinated hydrocarbons through the water column and for concentrating them in sediments and in detritus-feeding organisms.

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