| dc.creator | Tsiropoulos, N. G. | en |
| dc.creator | Aplada-Sarlis, P. G. | en |
| dc.creator | Miliadis, G. E. | en |
| dc.date.accessioned | 2015-11-23T10:51:57Z | |
| dc.date.available | 2015-11-23T10:51:57Z | |
| dc.date.issued | 1999 | |
| dc.identifier.issn | 1060-3271 | |
| dc.identifier.uri | http://hdl.handle.net/11615/33993 | |
| dc.description.abstract | A liquid chromatographic (LC) method was developed and statistically validated for simultaneous determination of 5 benzoylurea insecticides (diflubenzuron, triflumuron, teflubenzuron, flufenoxuron, and lufenuron) in apples and pears. It involves preliminary extraction with ethyl acetate-sodium sulfate and cleanup on silica solid-phase extraction cartridges using dichloromethane-2-propanol (9 + 1) as eluant. The eluate is dried under nitrogen and redissolved in methanol. Benzoylurea insecticides are determined by reversed-phase LC with gradient elution at 42 degrees C and UV diode array detection. Recoveries from samples fortified with the 5 insecticides at 0.02-0.5 mg/kg ranged from 83 to 102% for apples and from 75 to 99% for pears. Relative standard deviations were 0-12%. Limits of detection were 0.01 mg/kg for apples and 0.02 mg/kg for pears. | en |
| dc.source | Journal of Aoac International | en |
| dc.source.uri | <Go to ISI>://WOS:000078518900028 | |
| dc.subject | MASS-SPECTROMETRY | en |
| dc.subject | GAS-CHROMATOGRAPHY | en |
| dc.subject | BABY-FOOD | en |
| dc.subject | DIFLUBENZURON | en |
| dc.subject | RESIDUES | en |
| dc.subject | PESTICIDES | en |
| dc.subject | Chemistry, Analytical | en |
| dc.subject | Food Science & Technology | en |
| dc.title | Determination of benzoylurea insecticides in apples and pears by solid-phase extraction cleanup and liquid chromatography with UV detection | en |
| dc.type | journalArticle | en |
