EM SCIENCE

program truly represents analytical research. •. How do you subject a computer pro- gram to peer review? How many re- viewers can devote the time ne...
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Polymer Analysis via HPLC ο PS » PS OPS «PS *PS • PS • PS

40.000 *000 400 40 20 4 ι

Prepacked HPLC columns w i t h spherical 5 & 1 0 micron particles of LiChrogel™PS • For monomer, oligomer & polymer analysis • Guaranteed performance of 40,000 & 25,000 N/m • Pressure stable up to 2000 psi • Fractionation range