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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™ Hypercarb™ Drop-in Guard Cartridges

Offer convenience, economy and effective protection for extending column lifetime.

3

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

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

5

MilliporeSigma™ Supelco™ Zenix™ SEC-100 Gel Filtration Guard Column, 3 μm Particle Size, PEEK

Like their 5 micron siblings, 3 micron Zenix™ SEC columns feature a hydrophilic surface layer to prevent the sample from interacting with the underlying silica.

6

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

Guard Column for use with 6 mm ID TSKgel™ SuperH5000-7000;HM-L;-N;-M;-H Columns, 3 μm.

7

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

TSKgel™ Guard Columns are stand-alone and do not require separate holders. For use with TSKgel SuperHZ1000-4000 and HZM-N & -M Columns, 3 μm.

Pore Size Mixed
Particle Size 3 μm
Flow Rate 0.4 mL/min
Stationary Phase Polystyrene-divinylbenzene
Packing Material Polymer Particle Platform
Diameter (Metric) Inner 4.6 mm
Technique Size Exclusion (SEC)
Temperature (Metric) Maximum 80°C
Product Line TSKgel
8

MilliporeSigma™ Supelco™ Ascentis™ Express C8 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
9

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
10

Restek™ Ultra Aqueous C18 Guard Cartridges  DFS Item

Protects and extends column lifetime.

Pore Size 100Å
Particle Size 5 μm
Stationary Phase C18
Type Aqueous C18
Carbon Load 15%
pH 2.5 to 8
Temperature (Metric) Maximum 80°C
Particle Shape Spherical
USP Type L1
11

Hamilton™ PRP-C18 Reversed-Phase HPLC Column Accessory - Guard Cartridge Kits

Guard columns protect HPLC column as well as remove particulate contaminants and highly adsorptive compounds from samples, prolonging analytical column life

Diameter (Metric) Inner 4.6 mm
pH 1 to 13
Max. Pressure 5000 psi
12

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
13

Thermo Scientific™ GuardGOLD™ Capillary Columns

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

15

MilliporeSigma™ Supelco™ Discovery™ BIO Wide Pore C5 Supelguard™ Cartridge, 3 μm Particle Size

Kits include one cartridge, a stand-alone holder, a piece of tubing, and 2 nuts and ferrules.

Pore Size 300 Å
Particle Size 3 μm
Type Guard Cartridge
Phase Reversed Phase
Length (Metric) 2 cm
Quantity 2/Pk.
For Use With (Application) HPLC
Product Line Discovery Supelguard