CHROMABOND® QuEChERS extraction buffer mixes / clean-up mixes
Extraction mixtures for sample preparation for determination of pesticides in food samples.
MACHEREY-NAGEL offers a number of individually weighed and pre-mixed buffers and extraction mixtures, specially composed for different sample matrices.
Mix I and Mix II are extraction mixtures, Mix III to Mix VI are clean-up mixtures.
The food samples will be extracted with either Mix I or Mix II.
Afterwards they will be purified with one of the following mixtures:
- Mix III (samples with low fat content; e.g. apples, strawberries),
- Mix IV (moderate content of chlorophyll and carotinoids; e. g. carrots, lettuce),
- Mix V (high content of chlorophyll and carotinoids; e. g. bell peppers, spinach),
- Mix VI (high fat content; e. g. avocados).
Every mix is prepacked in a 15 ml centrifuge tube. Pack of 50 pieces.
Toote variatsioonid
| Composition | Description | Volume ml | Catalog number | PK | Kogus | |
|---|---|---|---|---|---|---|
| 0.15g CHROMABOND® Diaminowith 0.9g MgSO4 | Mix III Diamino Clean-up Mix | 15 | 4.003 826 | 50.00 | ||
| 0.15g CHROMABOND® Diaminowith 0.9g MgSO4and 45mg Carbon | Mix V Diamino/Carbon Clean-up Mix | 15 | 4.003 829 | 50.00 | ||
| 0.15g CHROMABOND® Diaminowith 0.9g MgSO4 and 15mg Carbon | Mix IV Diamino/Carbon Clean-up Mix | 15 | 4.003 827 | 50.00 | ||
| 4g MgSO4, 1g NaCl, 0.5g Na2H citrate1.5 H2O, 1g Na3 citrate, 2 H2O | Mix I Citrat-Extraction-Mix | 15 | 4.003 824 | 50.00 | ||
| 0.15g CHROMABOND® Diaminowith 0.9g MgSO4 and 150mg C18 ec | Mix VI Diamino/C18 ec Clean-up Mix | 15 | 4.003 828 | 50.00 | ||
| 6g MgSO4, 1.5g Na acetate | Mix II Acetat-Extraction-Mix | 15 | 4.003 825 | 50.00 |
