Q&A May 2006 www.thecolumn.eu.com The Column Positional isomers, for
example, ortho, meta and para shown in Figure 6. substitution forms on an
aromatic ring show good separation The unique feature of PGC is that there
is no bonded phase based on shape selectivity. In the case of
ribonucleotides in on the surface of the particle. This means that no
chemical Figure 5 the species with different positional attachment of
degradation can occur even at extreme operating conditions phosphate to
the ribose ring is easily resolved. and gives the analyst the opportunity
to take advantage of solvent conditions that otherwise would not be
possible. In the PGC can withstand high temperatures. What type of example
in Figure 7, at 200
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Table of Contents for the Digital Edition of The Column - May 2006