by United Science | Feb 4, 2013 | Sample Preparation
A recent presentation by Stephen Lehotay of the USDA explained the use and benefits of the QuEChERS technique. It is a excellent primer and a review of the state of the art in QuEChERS. Both the webinar and the presentation are linked here.
by United Science | Dec 26, 2012 | Sample Preparation
Conor Smith, Ph.D. Introduction: A new modified Schenck SPE QuEChERS method is described below. This method employs a pass-through SPE method and gives good recoveries of 18 GC/MS amenable pesticides while removing the pigment from the spinach extract. Reagents...
by United Science | Dec 10, 2012 | Sample Preparation, Technical Notes
A summary of some of CarbonX for QuEChERS properties and capabilities A .pdf can be downloaded here.
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 | Apr 8, 2011 | Sample Preparation
Retrieve the latest SPE carbonX white paper here.
