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SM ISO690:2012 CADOCINICOV, Oleg. Оценка влияния "возраста" загрязнения на интенсивность процессов сорбции-десорбции загрязнителя (ДДЭ) в почве
. In: Buletinul Institutului de Geologie şi Seismologie al AŞM, 2006, nr. 1, pp. 136-147. ISSN 1857-0046. |
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Buletinul Institutului de Geologie şi Seismologie al AŞM | ||||||
Numărul 1 / 2006 / ISSN 1857-0046 | ||||||
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Sorption-desorption, degradation and transport are the processes that affect presence of a
pollutant in the soil. Chlorinated pesticides are not more used in the agriculture, except certain
cases. But notwithstanding that the pesticides continue to presenting the soil due to their high
persistence and low water solubility. Additionally, biomagnification as property of chlorinated
pesticides makes them highly dangerous. So, soil pollution with the pesticides is still actual
problem. Therefore retention processes (sorption-desorption) relatively chlorinated pesticides in
the soil are worth of attention to evaluate potential of pesticides transport in adjacent media.
"Aging" of DDE (2,2-bis(4-chlorophenyl)1,1-dichloroethylene) as factor affecting DDE
mobility in the soil in the soil was the aim of the study. During the study acetone and water soil
extracts were periodically analyzed relatively DDE presence. Negligible changes in water-
extractable DDE, acetone-extractable DDE decrease, unextractable DDE increase and low DDE
mineralization level depending on "aging" were detected as a result. That shows certain potential
regarding ground water protection from contamination with the pesticides occurring in the soil.
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