ID
df
temp. limits
30-Meter
50-Meter
0.25mm 4µm to 200°C
19776
0.32mm 5.00µm to 200°C
19761
19762
0.53mm 10µm to 200°C
19759
19760
108
GCCOLUMNS |
PLOTCOLUMNS
Alumina BOND Columns
didyou
know
?
Rt®-AluminaBONDcolumns showunique
retentioncharacteristics forhydrocarbons.
Tracesofwater in thecarriergasand in the
samplewill affect the retentionand the
selectivityof alumina. If exposed towater, the
retention timeswill shorten. Thecolumncan
be regeneratedbyconditioning for 15-30min.
at 200 °Cundernormal carriergas flow.
Periodicconditioningensuresexcellent
run-to-run retention time reproducibility.
Themaximumprogrammable temperature
for anRt®-AluminaBONDcolumn is200 °C.
Higher temperatures cause irreversible
changes to theporous layer adsorption
properties.
advanced
technology
Detailson
pages106-107
.
tech
tip
for
more
info
Formore informationon
Rt®-AluminaBOND/CFCcolumns, seepage74.
Rt®-AluminaBOND/Na
2
SO
4
Columns
(fusedsilicaPLOT)
(Na
2
SO
4
deactivation)
• Acetylene/propadiene elute after butanes (impurities in acetylene/propadiene).
• Best separation for butene isomers (impurities inbutene streams).
• Methyl acetylene elutes after 1,3-butadiene.
• Cyclopropane (impurity inpropylene) eluteswell before propylene.
Rt®-AluminaBONDColumns
1. Highly selective forC1-C5hydrocarbons; separates all unsaturatedhydrocarbon
isomers above ambient temperatures.
2. Reactivityof aluminumoxide stationaryphase isminimized so that column
response for polar unsaturates, such as dienes, is optimized.Column sensitivityor
response ensures a linear andquantitative chromatographic analysis for these
compounds.
3. Strongbondingprevents particle generation.The column canbeused in valve
switchingoperations,without release of particles that canharm the injection and
detection systems.
4. TheRt®-AluminaBOND column is stableup to200 °C. If water is adsorbedon
the column, it canbe regeneratedby conditioning at 200 °C. Full efficiency and
selectivitywill be restored.
5. High capacity and loadability give exceptionally symmetric peaks; ideal for volatile
hydrocarbon separations at percent levels, aswell as impurity analyses at ppm
concentrations.
GuaranteedReproducibility
Each Rt®-Alumina BOND column is tested with a hydrocarbon test mix to ensure
properphase thicknessand selectivity.1,3-Butadiene isused tocalculatek (capacity fac-
tor), which is a measure of phase thickness. Selectivity is measured using retention
indices for propadiene and methyl acetylene. The resolution of
trans
-2-butene and
1-butene is also verified. Tomeasure coating efficiency, plates per meter are checked
using 1,3-butadiene. Extensive testing assures reproducible retention times and
predictable flowbehavior column-to-column.
Rt®-AluminaBOND/KClColumns
(fusedsilicaPLOT)
(KCl deactivation)
• Acetylene elutes beforeC4hydrocarbons (impurities inbutane/isobutane).
• Methyl acetylene (impurity in1,3-butadiene) elutes before 1,3-butadiene.
MXT®-AluminaBOND/Na
2
SO
4
Columns
(Siltek®-treatedstainlesssteelPLOT)
Advantages ofmetalMXT®PLOT columns include:
• Canbemade in small coil diameters—perfect for tight spaces.
• Will not spontaneouslybreak,making them ideal for rugged environments.
• Designed for robust performance inprocessGCs and field instruments.
3.5" coil
7" diameter 11-pin cage
ID
df (µm)
temp. limits
30-Meter
30-Meter
0.53mm 10µm to 200°C 79714-273
79714
now
available
!
MetalMXT®PLOTColumns
NEW!
Rt®-AluminaBOND/CFCColumns
(fusedsilicaPLOT)
• Improved inertness for halogenated compounds such asCFCs.
• Highly selective alumina based column, separatesmostCFCs.
• High retention and capacity forCFCs.
NEW!
ID
df
temp. limits
30-Meter
0.53mm 10µm to 200°C
19763
ID
df
temp. limits
30-Meter
50-Meter
0.25mm 4µm to 200°C
19775
0.32mm 5.00µm to 200°C
19757
19758
0.53mm 10µm to 200°C
19755
19756
NEW!
NEW!
Website :
E-mail :
TelNo : 03 9762 2034 . . . inAUSTRALIA
Mar 2011
