Agilent Poroshell 120 EC-C18 UHPLC Guard Column 2.1×5 mm 2.7 µm – 3-Pack

These are Agilent InfinityLab Poroshell 120 EC-C18 guard columns, sold as a set of 3. They are designed to protect your main analytical column from particulate matter, extending its useful lifetime, especially under routine use.

Product Details

• Brand: Agilent (InfinityLab Poroshell 120)
• Phase / Chemistry: EC-C18 (reversed-phase)
• Particle Size: 2.7 µm
• Inner Diameter: 2.1 mm
• Length: 5 mm (guard)
• Pore Size: 120 Å
• Quantity: 3 columns per pack
• Carbon Load: ~10%
• Endcapped: Yes
• Pressure Rating: Up to ~600 bar
• pH Range: pH 2-8

Applications

• Protecting / guarding analytical UHPLC or HPLC EC-C18 columns from solids/particulates
• Routine sample throughput where filter clean-up is limited
• Reversed-phase chromatographic separations of small molecules
• Analytical method development transferring from larger particles or different columns

Features

• Short guard length helps reduce unused dead volume while protecting the main column
• Superficially porous (“core-shell”) particles provide higher efficiency than totally porous ones
• Compatible with low-flow UHPLC systems (2.1 mm ID)
• Matching chemistry with Poroshell 120 EC-C18 analytical columns for consistency of selectivity and retention

Condition

• New / unused guard column pack
• Sealed packaging in set of 3
• Sold as-is with standard manufacturer quality