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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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1 – 15 of 325 results
1

MilliporeSigma™ Supelco™ OPTI-GUARD™ C18, Biocompatible 1 mm Guard Column

OPTI-GUARD™ sets the standard for low-impact, easy to use pre-column protection.

2

Thermo Scientific™ Hypersil GOLD™ aQ Javelin™ Guard HPLC Columns

Javelin guard columns offer convenient, easy to use protection for analytical HPLC columns

4

Thermo Scientific™ BetaBasic™ 8 Guard Cartridges, 5μm Particle Size

Thermo Scientific™ BetaBasic™ 8 Guard Cartridges are available in limited dimensions. Please contact Customer Service for more details.

Pore Size 150Å
Particle Size 5 μm
Carbon Load 7%
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 L7
5

Restek™ Pinnacle DB C18 Guard Cartridges, 5 μm  DFS Item

Protects and extends column lifetime.

Pore Size 140Å
Particle Size 5 μm
Stationary Phase C18
Carbon Load 11%
Phase Monomeric
Endcapped Yes
Packing Material Silica
pH 2.5 to 8
Temperature (Metric) Maximum 80°C
Particle Shape Spherical
USP Type L1
6

Thermo Scientific™ GuardGOLD™ Capillary Columns

Protect your analytical column from damage and contamination from nonvolatile materials.

7

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

SUPELCOSIL™ LC-ABZ phase has a unique deactivation technology which provides excellent reversed-phase performance for basic compounds, as well as those that are acidic, polar neutral, and non-polar.

Pore Size 120 Å
Particle Size 5 μm
Phase Reversed Phase
Length (Metric) 2 cm
For Use With (Application) HPLC
Product Line SUPELCOSIL Supelguard
9

MilliporeSigma™ Supelco™ Ascentis™ Express Phenyl-Hexyl Guard Cartridge, 2 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.

Particle Size 2 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
10

TSKgel™ OApak-P Guard Column, 10 μm Particle Size, Sold by MilliporeSigma™ Supelco™

The TSKgel OApak-P Guard Column contains a strong cation exchanger for the removal of dissociated strong acids under the isocratic eluent conditions of 0.75 mM H2SO4. For use in conjunction with TSKgel OApak-A Analytical Columns.

11

TSKgel™ SuperSW Guard Column, 4 μm Particle Size, Sold by MilliporeSigma™ Supelco™

TSKgel Guard Columns are stand-alone and do not require separate holders. For use with 4.6 mm ID TSKgel SuperSW2000 & SuperSW3000 Columns.

12

MilliporeSigma™ Supelco™ Proteomix™ SCX-NP3 Strong Cation Exchange Guard Cartridge and Holder, 3 μm Particle Size, Stainless Steel

Used for the analysis or small scale purification of positively charged biopolymers including glycoprotein isoforms and mAb variants.

Pore Size Non-porous
Particle Size 3 μm
Type Cation Exchange HPLC Guard Cartridge and Holder
Phase Cation Exchange
Length (Metric) 1 cm
pH 2.0 to 12.0
Material Stainless Steel
For Use With (Application) HPLC
Product Line Proteomix
13

MilliporeSigma™ Supelco™ Ascentis™ Express OH5 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 90 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
14

MilliporeSigma™ Supelco™ Ascentis™ Express C18 Guard Cartridge, 5 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 90 Å
Particle Size 5 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
15

TSKgel™ SuperSW mAb HR Guard Column, 4 μm Particle Size, Sold by MilliporeSigma™ Supelco™

TSKgel™ SuperSW mAb columns are designed for the separation and analysis of monoclonal antibodies (mAb).