Application of ACD/LABS 12 program for determination of conditions for experimental membrane extraction of pesticides | Primena ACD/LABS 12 programa za određivanje eksperimentalnih uslova za membransku ekstrakciju pesticida
2010
Đorđević, J., Institut za nuklearne nauke Vinča, Beograd (Serbia) | Trtić-Petrović, T., Institut za nuklearne nauke Vinča, Beograd (Serbia) | Kumrić, K., Institut za nuklearne nauke Vinča, Beograd (Serbia) | Purenović, M., Prirodno-matematički fakultet, Niš (Serbia)
This paper analyzes the conditions for membrane extraction of pesticides using ACD/LABS 12 program. The program contains a large database of more than 2000 compounds and their ionized species, for determining the pKa, further analysis includes 600 new compounds confirmed by Hammett’s equation, which gives more precise values for log D and solubility. The 16 pesticides of different classes (organophosphates, carbamates, carbamidas, neonicotinoids etc.) and polarities commonly used in Serbia were examined. The program is used to calculate log D, pKa and solubility at different pH values for the mixture of pesticides. Based on the calculated values, the conditions for the extraction of pesticides in water using two-phase liquid–liquid membrane extraction were optimized.
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