CartridgeGuardColumns
XX
100%biocompatible flowpath
XX
Pressure rated to 4,000psi (276bar)
XX
Wettedmaterials areTitanium andPEEK
XX
Reusableholder completewith fingertight fittings
Insert one of theseUpchurch Scientific
®
analytical guard columns
between the injection valve and column of your HPLC system to
extend the lifeof your columnandhelpensure reproducible results.
Convenient, prepacked PEEK polymer cartridges complete the
system and are available in a variety of bonded phases tomatch
your columnchemistryheld inplacebyTitanium frits.
TheC-270 Stainless Steel GuardColumnHolder is engineered for
high-pressureapplications to4,000psi (276bar).Eachof theseholders
issurfacetreatedtopreventgalling*,apotentialproblemwiththreaded
metal parts.
The flowpathof theC-270Guard
ColumnHolder is biocompatible.
Each comes completewith fittings
for 1/16”OD tubing, and can be
usedwithanyof theC-28XorC-7XX
guard column cartridges listedon
thispage.
*Galling isa formof “coldwelding.”When twofittingsmanufactured from the samemetal are
wrench-tightened too tightly, theycan“weld” together,making it virtually impossible to separate
the twocomponents.
APPLICATIONNOTE
WhyUseAGuardColumn?
Aguardcolumncan increase the lifeof your analytical columnup tofive-
fold
1
.Useaguardcolumnwith the samepackingas your column— it
will act asachemical filter, removing strongly retainedmaterials in your
sample thatmight otherwisecontaminate your analytical column.And,
it ismoreeconomical to replaceaguardcolumncartridge than tobuya
newanalytical column.
1
UweD.Neue,HPLCTroubleshooting–ColumnDurability,AmericanLaboratory, 1999; 22:44-7.
SPECIFICATIONS&DETAILS
PackingMaterial Specifications: Thecartridgeson thispagearepacked
with5µmor 10µmbase-deactivated80Å spherical silica.
Biocompatible
PartNo. Description
CARTRIDGEGUARDCOLUMNKITS
C-281
2.0mm IDC18Cartridges (6-pk)with (1)C-270Assembly
C-751
4.3mm IDC18Cartridges (6-pk)with (1)C-270Assembly
GUARDCOLUMNCARTRIDGEHOLDERS, BIOCOMPATIBLE
C-270
HighPressure, StainlessSteel,with (2) F-200Fittings
GUARDCOLUMNCARTRIDGES, BIOCOMPATIBLE
2.0mm ID x 1 cm, 10 µm Silica
Qty.
C-280
ReversedPhaseC18
3-pk
C-282
ReversedPhaseC18
10-pk
C-753
AdsorptionSilica
3-pk
4.3mm ID x 1 cm, 5 µm Silica
C-750
ReversedPhaseC18
3-pk
C-752
ReversedPhaseC18
10-pk
C-759
AdsorptionSilica
3-pk
C-760
AdsorptionSilica
10-pk
C-763
CyanoPhaseCN
3-pk
C-764
CyanoPhaseCN
10-pk
FILTERS&COLUMNACCESSORIES
171
GuardColumns
