1969
DOI: 10.4141/cjss69-049
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INFLUENCE OF pH, EXCHANGEABLE CATION AND THE PRESENCE OF ORGANIC MATTER ON THE ADSORPTION OF SOME HERBICIDES BY MONTMORILLONITE

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Cited by 66 publications
(37 citation statements)
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“…Tako je, na primer, pokazano da se smanjenjem, tj. uklanjanjem organske materije iz zemljišta, mogu osloboditi aktivni adsorpcioni centri glinovitih minerala, koji takođe imaju izraženu adsorpcionu sposobnost ka pesticidima (Hance, 1969;Laird i sar., 1994). Izvesna istraživanja ukazuju da će učešće glinovitih minerala u adsorpciji biti dominantno kada je njihova zastupljenost u zemljištu bar 25 puta veća od udela organske materije (Karickhoff, 1984).…”
Section: Adsorpcija Pesticida Za Zemljišteunclassified
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“…Tako je, na primer, pokazano da se smanjenjem, tj. uklanjanjem organske materije iz zemljišta, mogu osloboditi aktivni adsorpcioni centri glinovitih minerala, koji takođe imaju izraženu adsorpcionu sposobnost ka pesticidima (Hance, 1969;Laird i sar., 1994). Izvesna istraživanja ukazuju da će učešće glinovitih minerala u adsorpciji biti dominantno kada je njihova zastupljenost u zemljištu bar 25 puta veća od udela organske materije (Karickhoff, 1984).…”
Section: Adsorpcija Pesticida Za Zemljišteunclassified
“…U slučaju polarnih, tj. manje hidrofobnih molekula pesticida, pored organske materije, adsorpcija glinom, izmena jona, izmena liganada i drugi adsorpcioni mehanizmi mogu da se ostvare (Hance, 1969;Means i sar., 1982;Karickhoff, 1984;Đurović i sar., 2009;Đurović, 2010;Đurović i sar., 2010c;2010d). Na veličinu adsorpcije značajno može uticati i pH vrednost sredine.…”
Section: Adsorpcija Pesticida Za Zemljišteunclassified
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“…The amount of herbicide remaining in the supernatant solution with montmorillonite systems was measured by taking aliquots of the supernatant and measuring the ultraviolet (UV) absorption at appropriate wavelengths. With peat the concentration of monuron) atrazine, and prometryne in the supernatant was determined by UV adsorption after clean-up step (Hance 1969). The linuron in aliquots of the supernatant solutions was parlitioned into dichloromethane.…”
Section: Methodsmentioning
confidence: 99%
“…Better retention is obtained in acidic solution, whereas at higher pH values, the retention of the molecules on various soils is very weak, as reported by El Hadiri (1994). Other studies have shown the influence of the presence of metals in an ionic state in the soil on the adsorption of the pesticides (Rodriguez and Hermandez, 1985;Hance, 1969;Khan, 1974;Jamet and Piedallu, 1975;Fadayomi and Warren, 1977).…”
Section: Introductionmentioning
confidence: 99%