Selection of Organic GPC Columns
Shodex GPC columns have a history of more
than twenty years and have been
used numerous customers all over the world.
The current series is of an
improved type based on the long term experience
and the latest technology.
Five types of GPC columns packed with different solvents are available to avoid
solvent replacement. Moreover, custom columns packed with other solvents such
as quinoline, o-dichlorobenzene, ethyl acetate, tetrachloroethane and dimethylacetamide
are available uponyour request.
The following columns are availble as the
standard column.
1) In-column solvents
| THF |
KF-800, KF-600, KF-400HQ series |
| Chloroform |
K-800 series |
| DMF |
KD-800 series |
| HFIP |
HFIP-800 series |
| Toluene |
UT-800, HT-800, AT-800S series |
2) Types
| Mixed gel columns |
Mixed gel type columns are packed with mixture
of gels which are different
in pore size are to have wide linear range
in molecular weight calibration
curves from oligomers to macromolecules.
The mixed gel columns have "M" at the end
of the column name. |
| Linear type columns(1) |
Linear type columns are specially designed
to have wider linear range in
molecular weight calibration curves than
that of mixed gel columns.
Linear type columns are highly recommended
for correcting non-linear
sections of molecular weight calibration
curves of ordinary columns.
It is highly recommended that linear type
columns than ordinary type columns
or mixed gel columns be used when both of
them are available.
The linear type columns have "L" at the
end of the column name. |
| New Linear type column (2) |
Linear type columns with special designed
packing material. |
| New Rapid analysis |
KF-400 HQ series |
| Downsized Columns |
Small volume type columns are of 6.0mm ID
column. The internal volume of
6.0mm ID column is about one third of 8.0mm
ID column.
With small volume type column, by reducing
the flow rate to one third, the
same separation as with 8mm ID columns can
be obtained. And, the consumption
of eluent will be also one third.
Small volume type columns are good for reducing
the consumption of
potentially-environmentally-damaging organic
solvents. |
| High Temperature Columns |
The high temperature columns can be used
for the GPC analysis at elevated
temperature up to 230 deg-C. |
| Solvent-Peak Separation Column |
Solvent-peak separation columns delay the
elution of low-molecular
components and can be used to separate a
solvent peak or other
troublesome peak to realize accurate measurement
of molecular weight
distribution. The use of the columns with
805L, 806L, 806M and 807L
columns is recommended. |
