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HPLC Guard Columns and Cartridges

Replaceable columns that are placed before HPLC columns to protect from contamination and extend column lifetime; in a variety of stationary phases; includes direct-connection and drop-in cartridges, and UHPLC filters, cartridges, and holders.
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31 – 45 of 3,204 results
31

MilliporeSigma™ Supelco™ SUPELCOSIL™ LC-CN Supelguard Cartridge Kit, 5 μm Particle Size

The LC-CN phase is often used as a substitute for silica because it offers the advantages of a bonded phase (such as quick equilibration, and less sensitivity to small changes of the water content in the mobile phase).

32

MilliporeSigma™ Supelco™ SUPELCOSIL™ ABZ+Plus Supelguard Cartridge Kit, 5 μm Particle Size

Offer both high deactivation and unique selectivity.

Includes 1 cartridge, a stand-alone holder, a piece of tubing, and 2 nuts and ferrules (10 mm i.d guard requires the purchase of 567499-U)
Pore Size 120 Å
Particle Size 5 μm
Type Guard Cartridge Kit
Phase Reversed Phase
Length (Metric) 2 cm
Quantity 1 Kit
For Use With (Application) HPLC
Product Line SUPELCOSIL Supelguard
33

MilliporeSigma™ Supelco™ Ascentis™ Express Peptide ES-C18 Guard Cartridge, 2.7 μm Particle Size

Ascentis™ Express Guard Columns provide physical (filtration) and chemical protection for costly analytical columns without compromising the very high performance of Ascentis™ Express columns.

Pore Size 160 Å
Particle Size 2.7 μm
Type Fused-Core HPLC Guard Cartridge
Phase Reversed Phase
Length (Metric) 5 mm
Quantity 3/Pk.
For Use With (Application) HPLC
Product Line Ascentis
34

Ascentis™ Express 90 Å AQ-C18, 5.0 μm HPLC Guard Cartridge, Sold by MilliporeSigma™ Supelco™

The target analytes include acids, bases, and polar analytes.

Pore Size 90 Å pore size
Particle Size 5 μm
Stationary Phase AQ-C18, polar modified bonding
Matrix Fused-Core™ silica particle platform
Length (Metric) 0.5 cm
Endcapped Endcapped
pH 2 to 9
Quantity 3/Pk.
Surface Area 90 m2/g
35

MilliporeSigma™ Chromolith™ SemiPrep Guard Cartridges

For prolonging the lifespan of Chromolith™ analytical columns

Type HPLC Guard Cartridge
Length (Metric) 10 mm
Diameter (Metric) Inner 10 mm
Quantity 1/Pk.
36

MilliporeSigma™ Supelco™ BIOshell™ lgG, C4 Guard Cartridge, 1,000 Å, 2.7 μm Particle Size

BIOshell™ IgG 1,000 Å C4 is a high-speed, high-performance liquid chromatography column based on a new wide-pore (1, 000 Å) Fused-Core™ particle design.

Pore Size 1000 Å
Particle Size 2.7 μm
Type Fused-Core HPLC Guard Cartridge
Phase Reversed Phase
Length (Metric) 5 mm
Endcapped Yes
Quantity 3/Pk.
Material Stainless Steel Hardware
For Use With (Application) HPLC
Surface Area 22 m2/g
Product Line BIOshell
37

Empore™ Extraction Disk Cartridge, Sold by MilliporeSigma™ Supelco™

Recommended for the extraction of moderately-polar to non-polar analytes from aqueous samples (e.g., biological plasma).

Particle Size 50 μm
Stationary Phase C18-SD
Endcapped Endcapped
Material Polypropylene filter (graded density pre-filter)
38

Thermo Scientific™ BetaBasic™ CN Particle Size Guard Cartridges, 5μm Particle Size

Thermo Scientific™ BetaBasic™ CN Particle Size Guard Cartridges are available in limited dimensions. Please contact Customer Service for more details.

Pore Size 150Å
Particle Size 5 μm
Carbon Load 5%
Length (Metric) 10 mm
Endcapped Yes
For Use With (Equipment) Uniguard Direct-connection and Stand Alone Holder
pH 2 to 9
Surface Area 200 m2/g
USP Type L10
39

BIOshell™ IgG 1000 Å Diphenyl, 2.7 μm HPLC Guard Cartridge, Sold by MilliporeSigma™ Supelco™

Liquid chromatography column based on a new wide-pore

Pore Size 1000 Å pore size
Particle Size 2.7 μm
Stationary Phase Bonding phase, Diphenyl (diphenylmethyl)
Matrix Fused-Core™ particle platform
Length (Metric) 0.5 cm
Endcapped Endcapped
For Use With (Equipment) HPLC: Suitable, L11 Per USP
pH 2 to 9
Quantity 3/Pk.
Surface Area 22 m2/g
40

TSKgel™ UltraSW Aggregate Guard Column, 3 μm Particle Size, Sold by MilliporeSigma™ Supelco™

TSKgel™ UltraSW Aggregate columns have a slightly larger pore size and smaller (3 μm) particle size than the industry-leading TSKgel™ G3000SWXL (5 μm) and SuperSW3000 (4 μm) columns. These 30 cm x 7.8 mm I.D. silica-based, stainless steel columns offer reduced lot-to-lot variation, long column life, reduction of unspecified adsorption, and superior recovery of aggregates.

42

TSKgel™ Boronate-5PW HPLC Guardgel Kit, Sold by MilliporeSigma™ Supelco™

Boronate-5PW HPLC guardgel kit

Particle Size 20 μm
Stationary Phase M-aminophenyl boronate phase
pH 2 to 9
Technique Affinity
Column Capacity 40 μmol/mL, resin adsorption capacity (sorbitol)
43
Promotions Available

Thermo Scientific™ BetaSil™ C18 Javelin™ Guard Columns

Offer convenient, easy to use protection for analytical HPLC columns

Stationary Phase C18
44

MilliporeSigma™ Supelco™ SUPELCOGEL™ K Guard Column, 9 μm Particle Size

5 cm x 4.6 mm guard column, does not include tubing, nuts or ferrules.

45

MilliporeSigma™ Supelco™ SUPELCOSIL™ LC-18-T Supelguard Cartridge Kit, 5 μm Particle Size

SUPELCOSIL™ LC-18-T Supelguard™ Cartridges contain a SUPELCOSIL™ packing, in a 2 cm stainless steel body, enclosed by polyether ether ketone (PEEK) encapsulated stainless steel frits.