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GPC Columns Facilitate High Sample Loading

For environmental sample clean up according to EPA Methods, PL EnviroPrep high-resolution GPC columns permit a simple one-stage clean-up procedure for pesticide determination in a variety of organic matrices, e.g. soil and animal tissue, etc. The matrix is extracted, and the higher molecular weight fractions, such as lipids, polymers, natural resins, and dispersed high molecular weight components, are easily eliminated in the GPC analysis. Use of these columns facilitates higher sample loading and fraction yields to be obtained, particularly useful for looking at low levels of pollutants. PL EnviroPrep preparative columns, with the 10-μm particle size and 100 Å pore size offer high resolution and loading through optimization of the particle size distribution.
Polymer Laboratories Inc.
Now a part of Varian, Inc
Amherst Fields Research Park, 160 Old Farm Road
Amherst, MA, 01002