Innovative Chromatography Products
www.restek.it
www.restek.it
Questo cromatogramma potrebbe contenere analiti che sono sinonimi dei vostri parametri di ricerca.
dSPE vs. cSPE Sample Cleanup of Dandelion Root Powder (Dietary Supplement) on Rxi-5Sil MS
GC_FF1171
| Column | Rxi-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623) |
| Sample | dandelion root powder spiked with 46 pesticides |
| QuEChERS Internal Standard Mix for GC/MS Analysis (cat.# 33267) | |
| anthracene for quality control (cat.# 33264) | |
| Conc.: | 80 pg/µL |
| Injection | |
| Inj. Vol.: | 1 µL splitless (hold 1.5 min) |
| Liner: | 5mm Splitless with wool (cat.# 22975-200.1) |
| Inj. Temp.: | 250 °C |
| Oven | |
| Oven Temp.: | 90 °C (hold 1.5 min) to 340 °C at 8 °C/min |
| Carrier Gas | He, constant flow |
| Flow Rate: | 1.5 mL/min |
| Detector | MS |
| Mode: | |
| Analyzer Type: | TOF |
| Source Temp.: | 225 °C |
| Electron Energy: | 70 eV |
| Ionization Mode: | EI |
| Acquisition Range: | 45-550 amu |
| Spectral Acquisition Rate: | 5 spectra/sec. |
| Instrument | LECO Pegasus 4D GCxGC-TOFMS |
| Notes | Sample Preparation: Wetting:1 g of dandelion root powder combined with 9 mL of water, shaken well, fortified with pesticides and QuEChERS Internal Standard Mix for GC/MS Analysis (cat.# 33267), soak for 2 hours. Extraction: 10 mL acetonitrile added then addition of Q-sep™ Q110 (cat.# 26213), centrifuge with Q-sep™ 3000 Centrifuge (cat.# 26230). dSPE:cleanup procedure according to EN 15662 method, add control standard anthracene (cat.# 33264) to 1 mL extract, add this to Q-sep™ Q110 dSPE tube (cat.# 26213), shake, centrifuge. cSPE: add control standard anthracene (cat.# 33264) to 1 mL extract, add magnesium sulfate to cartridge, use 6mL Combo SPE Cartridge containing 500mg CarboPrep® 90/500mg PSA (cat.# 26194), concentrate via evaporation. |
relativo alle ricerche nella libreria dei cromatogrammi
nutraceuticals
,GMP
,QuEChERS
,SPE
,residue
,pesticide residues
,natural products
,herbal
,botanical
,powder
,dSPE
,cSPE
,dispersive solid phase extract
,cartridge
,cartridge SPE
,FDA
,Food Drug and Cosmetic Act
,DSHEA
,supplements
,herbs
,LECO
,Deconvolution
,EN 15662
,Rxi-5SilMS
,Dietary
,Supplement
,Health
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