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 | 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 | 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 | 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 | Nov 8, 2012 | Sample Preparation, Technical Notes
Analysis of 16 Pesticide Residues in Broccoli Using CarbonX dSPE QuEChERS AOAC Kits Using GC/MS Authors: Conor Smith, Doug Fryer United Science Corp. 15911 Furuby Rd. Center City,MN55012 USA Abstract This application note describes the use of a quick, easy,...