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YW QuEChERS Extraction/Purification Tube EN Method (Yuwei)
YW QuEChERS Extraction/Purification Tube EN Method (Yuwei)
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YW QuEChERS Extraction/Purification Tube EN Method
EN method: QuEChERS is a sample pretreatment method proposed by Anastasiades in 2003, which has been widely used in the detection of food, environmental water samples, and soil pollutants. Referring to the EU EN standard (EN 15662 Foods of plant origin - Determination of pesticide residues using GC-MS and/or LC-MS/MS following acetone extraction/partitioning and cleaning by dispersed SPE - QuEChERS method), QuEChERS was selected based on different samples.
YW QuEChERS Extraction/Purification Tube EN Method
| stroma | Sampling quantity | Extraction solvent | Extraction tube | Purification tube |
|---|---|---|---|---|
General fruits and vegetables(Removing polar organic acids, some sugars, and lipids) |
10 g | 10 mL acetonitrile | 4 g MgSO4 1 g NaCl 1 g sodium citrate 0.5 g disodium hydrogen citrate Salt packet: YW-QP4635 Salt pack+50 mL centrifuge tube: YW-Q050530H Salt package+50 mL centrifuge tube+homogeneous proton: YW-Q050530CH |
25 mg PSA 150 mg MgSO4 2 mL purification tube: YW-Q002550H 150 mg PSA 900 mg MgSO4 15 mL purification tube: YW-Q015542H |
Fruits and vegetables containing fat and wax(Removing polar organic acids and certain sugars,Most lipids and sterols |
10 g | 10 mL acetonitrile | 4 g MgSO4 1 g NaCl 1 g sodium citrate 0.5 g disodium hydrogen citrate Salt packet: YW-QP4635 Salt pack+50 mL centrifuge tube: YW-Q050530H Salt package+50 mL centrifuge tube+homogeneous proton: YW-Q050530CH |
25 mg PSA 25 mg C18 150 mg MgSO4 2 mL purification tube: YW-Q002552H 150 mg PSA 150 mg C18 900 mg MgSO4 15 mL purification tube: YW-Q015552H |
Colored fruits and vegetables(Removing polar organic acids and certain sugars)And lipids, as well as carotenoids and chlorophyll) |
10 g | 10 mL acetonitrile | 4 g MgSO4 1 g NaCl 1 g sodium citrate 0.5 g disodium hydrogen citrate Salt packet: YW-QP4635 Salt pack+50 mL centrifuge tube: YW-Q050530H Salt package+50 mL centrifuge tube+homogeneous proton: YW-Q050530CH |
25 mg PSA 2.5 mg GCB 150 mg MgSO4 2 mL purification tube: YW-Q002540H 150 mg PSA 15 mg GCB 900 mg MgSO4 15 mL purification tube: YW-Q015540H |
High pigment fruits and vegetables(Removing polar organic acids, andHigh content of carotenoids and chlorophyll |
10 g | 10 mL acetonitrile | 4 g MgSO4 1 g NaCl 1 g sodium citrate 0.5 g disodium hydrogen citrate Salt packet: YW-QP4635 Salt pack+50 mL centrifuge tube: YW-Q050530H Salt package+50 mL centrifuge tube+homogeneous proton: YW-Q050530CH |
25 mg PSA 7.5 mg GCB 150 mg MgSO4 2 mL purification tube: YW-Q002544H 150 mg PSA 45 mg GCB 900 mg MgSO4 15 mL purification tube: YW-Q015544H |
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