by United Science | Sep 21, 2012 | Sample Preparation, Technical Notes
Analysis of 18 Pesticide Residues in Spinach Using CarbonX for QuEChERS AOAC dSPE Kits by GC/MS Authors: Conor Smith Ph.D., Doug Fryer United Science Corp. 15911 Furuby Rd. Center City, MN55012 USA Abstract This application note describes the...
by United Science | Sep 8, 2012 | Sample Preparation, Technical Notes
Ok. So you want to cut to the chase and find out what is the big deal. Well, here it is: For QuEChERS: 1. CarbonX materials give high planar pesticide recovery without having to use toluene. So what? Well you can skip many of the steps required for planar pesticide...
by United Science | Sep 3, 2012 | Sample Preparation, Technical Notes
Solid Phase Extraction (SPE) of Pesticide Residues with CarbonX for QuEChERS INTRODUCTION Graphitized carbon black (GCB) is a sorbent that is widely used in solid phase extraction (SPE) to extract polar and non-polar pesticides/compounds from water...
by United Science | Sep 3, 2012 | Sample Preparation, Technical Notes
CarbonX for QuEChERS Greatly Improves Planar Pesticide Recovery Currently graphitized carbon black (GCB) is generally used for dispersive solid phase extraction (dSPE) cleanup of pigmented QuEChERS samples. While this product does remove the pigments and sterols found...
by United Science | Sep 3, 2012 | Sample Preparation, Technical Notes
CarbonX for QuEChERS Removes 50% More Matrix as Compared to GCB Introduction: Graphitized Carbon Black (GCB) is generally added to QuEChERS dispersive solid phase extraction (dSPE) kits when the food extract is highly pigmented. This is due to the fact that...
