This application describes a sample cleaning method for analyzing pesticide residues in olive oil prior to HPLC analysis. Pesticides were separated from the oily matrix by size exclusion/gel permeation chromatography (GPC) according to US EPA SW-846 method 3640A. The optimized GPC purification technique was carried out with the KNAUER AZURA GPC Cleanup System for automated sample cleaning.
Chromatogram of US EPA method 3640A calibration standard containing corn oil, Bis-(2-ethylhexyl)phthalate, Methoxychlor, Perylene
Olive oil
| Method | HPLC |
|---|
| Mode | GPC |
|---|---|
| Substances | Olive oil, Corn oil, Bis-(2-ethylhexyl)phthalate, Methoxychlor, Perylene |
| Key words | AZURA GPC Cleanup System, Pesticides, US EPA SW-846 Method 3640A Pesticides, sample cleanup, GPC, SEC |
| CAS number | 117-81-7; 72-43-5; 198-55-0 |
AZURA GPC Cleanup Start up kit, Tefzel-(ETFE) tubing, OD 1/16", ID 0.7 mm
Article No.: A50041
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