by United Science | Sep 16, 2013 | Sample Preparation, Videos
Do you QuEChERS? Are you thinking about how QuEChERS might be good for your sample cleanup. In this post you can find comparative data on CarbonX and GCB in this short presentation. Just 11 minutes could save you lots of money! ...
by United Science | Sep 13, 2013 | Sample Preparation
1. How can QuEChERS benefit me/ my work? QuEChERS with CarbonX can streamline your workflow, reduce the number of preparation steps, reduce time required to evaporate, reduce maintenance costs, and improve calibration stability. In general, QuEChERS removes...
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 | Dec 10, 2012 | Sample Preparation, Technical Notes
United Science’s proprietary carbonization techniques lead to tunable analytical silicas. A .pdf is available here.
