Guard Column Cartridges, NP Amino, Wide Pore, 5um, 300A. 4.0mm ID x 10mm Length. Cogent Brand. 5/PK.
Additional Information:
Cogent NP Amino™ Wide Pore Guard Column Cartridges are designed to protect valuable analytical HPLC columns from particulate contamination and strongly retained compounds that can reduce column performance and shorten column life. Packed with the same NP Amino™ Wide Pore stationary phase as the corresponding analytical columns, these guard cartridges help maintain chromatographic performance while reducing replacement costs and instrument downtime.
68540-PG2-3 is packed with 5 µm NP Amino™ Wide Pore particles in a 4.0 mm ID x 10 mm guard cartridge format with a 300Å pore size. Manufactured using a three-carbon propyl ligand containing a terminal amino functional group bonded to the highest purity silica available, this stationary phase is not end capped and provides the same selectivity characteristics as Cogent NP Amino™ Wide Pore analytical columns. The 300Å pore structure improves accessibility for larger molecules, making it especially suitable for complex carbohydrates, larger sugars, and other high-molecular-weight polar analytes.
Designed to protect 3.0 mm, 4.0 mm, and 4.6 mm ID NP Amino™ Wide Pore analytical columns, these guard cartridges capture particulates and strongly adsorbed contaminants before they reach the analytical column. They are particularly beneficial for HILIC and Normal Phase separations involving complex sugars, compounds containing carboxylic acid groups, and other polar analytes that require wide pore stationary phases. Regular guard cartridge replacement helps extend analytical column life and maintain reproducible chromatographic performance.
Key Benefits
NP Amino™ Wide Pore stationary phase
Propyl amino bonded silica
Not end capped
300Å wide pore structure
5 µm particle size
Protects analytical columns from contamination
Extends analytical column lifetime
Stainless steel cartridge construction
Stainless steel frits with PEEK frit caps
Enhanced accessibility for larger molecules
Typical Applications
Analytical HPLC
HILIC chromatography
Normal Phase chromatography
Complex sugar analysis
Carbohydrate analysis
Organic acid analysis
Large molecule separations
Polar compound analysis
Column protection
Sample cleanup applications
Specifications
Product Type: Guard Column Cartridge
Stationary Phase: NP Amino™ Wide Pore
Chromatography Mode: Normal Phase / HILIC
Particle Size: 5 µm
Pore Size: 300Å
Cartridge Dimensions: 4.0 mm ID x 10 mm
Cartridge Material: Stainless Steel
Frit Material: Stainless Steel with PEEK Frit Caps
Package Quantity: 5 Cartridges
Compatible Column Sizes: 3.0 mm, 4.0 mm, and 4.6 mm ID Analytical Columns
Brand: Cogent
Required Guard Column Holder
Requires the Cogent Guard Column Holder (Catalog Number 83000-GH) for installation and use.
The Cogent Guard Column Holder must be purchased separately unless already available in your laboratory.
Designed for use with Cogent analytical guard column cartridges.
Important Notes
Designed to protect 3.0 mm, 4.0 mm, and 4.6 mm ID NP Amino™ Wide Pore analytical columns
Suitable for Normal Phase chromatography
Suitable for HILIC applications
Ideal for complex sugars and larger polar compounds
Propyl amino bonded stationary phase
Wide pore structure improves accessibility for larger analytes
Helps prevent contamination of analytical columns
Extends column service life and reduces operating costs
Requires the Cogent Guard Column Holder (83000-GH)
Five guard cartridges per package
Intended for analytical HPLC workflows