Methods of imazethapyr extraction from soil and cleaning up by solid phase extraction
2007
Lazic, S., Poljoprivredni fakultet, Novi Sad (Serbia) | Bursic, V., Poljoprivredni fakultet, Novi Sad (Serbia) | Vukovic, S., Poljoprivredni fakultet, Novi Sad (Serbia)
The aim of this work was to optimize the determination methods of imazethapyr residues in soil using HPLC with DAD and C 18 (Hypersil ODS, 5 microm, 2.0 x 250 mm) columns and to find the most appropriate solvent for imazethapyr extraction as well as the most suitable SPE cartridges for extract purification. For soil extract purification we decided to use SPE Amino/Carbon, C 18 and SDB-1 cartridges. On the basis of the performed chromatography method for optimizing imazethapyr determination in soil it was found that the most appropriate method for determining imazethapyr residues in soil is the extraction method with Na2CO3 solution, followed by cleaning up on SPE SDB-1 catridge and elution with ACN and water.
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