by United Science | Jul 13, 2013 | Events
We will be presenting a poster and exhibiting UniSci products at AOAC in Chicago from Sun, August 24 through Tues August 27. Whats New for AOAC? NEW COFFEE SAMPLE PREP METHOD NEW ANALYTICAL SEPARATIONS COLUMN TECHNOLOGY NEW DUAL PHASE SPE METHOD NEW CARBONX BETA...
by United Science | Jan 18, 2013 | Sample Preparation, Videos
CarbonX for QuEChERS A short video demonstrating the use of United Science’s new product, CarbonX for QuEChERS, and its ability to remove pigments. The method being used here is the AOAC 2007.1 Pigmented method. Spinach is a difficult matrix to deal with, but...
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
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...