Chromatography Columns 2013+ - page 33

www.restek.com 159
HPLCCOLUMNS
Ultra II® Columns
Ultra II®AqueousC18Columns (USPL1)
ChromatographicProperties:
Highly retentive and selective for reversedphase separations of polar analytes.Highlybase-
deactivated.Compatiblewithhighly aqueous (up to100%)mobile phases.
PhysicalCharacteristics:
particle size: 3µmor 5µm, spherical
pore size: 100Å
carbon load: 15%
endcap: no
pH range: 2.5 to8
temperature limit: 80°C
Ultra II®AqueousC18GuardCartridges
Guard Cartridges
3-pk.
(10 x 2.1mm)
3-pk.
(10 x 4.0mm)
2-pk.
(20 x 2.1mm)
2-pk.
(20 x 4.0mm) price
Ultra II Aqueous C18Guard Cartridge 960850212 960850210 960850222 960850220 $145
Ultra II®AqueousC18HPLCPrepColumns
10mm ID 21.2mm ID 30mm ID 50mm ID
Length cat.# price cat.# price cat.# price cat.# price
5µmColumns
50mm 9608557 9608558 9608559 9608550
100mm 9608517 9608518 9608519 9608510
150mm 9608567 9608568 9608569 9608560
250mm 9608577 9608578 9608579 9608570
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page#
dietary supplements . . . . . . . . . . . . . . . . . . . . . . . . . .729
herbicides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .713
melatonin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .729
organic acids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .729
vitamins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .734
ordering note
We strongly recommendorderinga semi-prep
orprepcolumnonlyafter evaluating thedesired
separationonanequivalent analytical-scale
column. Becausewecannot re-useacolumnor
the silica it containsonce ithas leftour facility,
wecannot accept returnsof large-scalecolumns
(except incasesof our error).
Supersizewithout
surprise!
1.0mm ID 2.1mm ID 3.0mm ID 4.6mm ID
Length cat.# price cat.# price cat.# price cat.# price
3µmColumns
30mm 9608331 $424 9608332 $398 960833E 9608335
50mm 9608351 $424 9608352 $398 960835E 9608355
100mm 9608311 $455 9608312 $430 960831E 9608315
150mm 9608361 $518 9608362 $502 960836E 9608365
5µmColumns
30mm 9608531 $393 9608532 $373 960853E 9608535
50mm 9608551 $393 9608552 $373 960855E 9608555
100mm 9608511 $414 9608512 $398 960851E 9608515
150mm 9608561 $455 9608562 $430 960856E 9608565
200mm 9608521 $486 9608522 $461 960852E 9608525
250mm 9608571 $512 9608572 $492 960857E 9608575
Restek
manufactured
silica
Ultra II®AqueousC18RetentionProfile
NEW!
Available in 10µm particle size upon request.
Website :www.chromtech.net.auE-mail :info@chromtech.net.auTelNo : 03 9762 2034 . . . inAUSTRALIA Mar 2011