Catalogue | Chromatography | Sample preparation | SPE | Extraction kits Copure® QuEChERS |
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Extraction kits Copure® QuEChERS
Extraction and clean-up mixtures for sample preparation in the pesticide analysis of vegetable foodstuffs according to EN 15662 using GC/MS or LC/MS after acetonitrile extraction and purification using the dispersive SPE-QuEChERS method.
The samples are first extracted with Mix A. Purification is done with one of the following mixtures:
If required, add ceramic homogenising beads for better mixing.
The samples are first extracted with Mix A. Purification is done with one of the following mixtures:
- Mix B (Clean-up mixture for fruits and vegetables with low fat content, e.g. apples, strawberries)
- Mix C (Clean-up mixture for fruits and vegetables with high fat content, containing oil/wax, e.g. avocados)
- Mix D (Clean-up mixture for moderately chlorophyll/carotenoid-containing fruits and vegetables, e.g. carrots, salad)
- Mix E (Clean-up mixture for fruits and vegetables with high chlorophyll/carotenoid content, e.g. sweet peppers, spinach)
If required, add ceramic homogenising beads for better mixing.
- Mix A contains a bag with the required amount of mixture and a 50 ml empty tube
- Mix B, C, D and E are pre-weighed into a 15 ml tube
Extraction kits Copure® QuEChERS |
Type | Volume ml | Composition | PK | |
---|---|---|---|---|
Mix AProd.No.4.669 294 | 50 | 4 g MgSO4, 1 g NaCl, 1 g Trisodium citrate, 0.5 g Disodium citrate | 50 | |
Mix BProd.No.4.669 295 | 15 | 0.15 g PSA, 0.9 g MgSO4 | 50 | |
Mix CProd.No.4.669 296 | 15 | 0.15 g PSA, 0.15 g C18, 0.9 g MgSO4 | 50 | |
Mix DProd.No.4.669 297 | 15 | 0.15 g PSA, 0.015 g GCB, 0.9 g MgSO4 | 50 | |
Mix EProd.No.4.669 298 | 15 | 0.15 g PSA, 0.045 g GCB, 0.9 g MgSO4 | 50 | |
Ceramic homogenising beadsProd.No.4.669 299 | 100 |