Agilent, 821075-920, Poroshell StableBond 300 C18, 2.1 x 12.5 mm, 5 µm, guard cartridge (ZGC) 4/pk

Poroshell StableBond 300 C18, 2.1 x 12.5 mm, 5 µm, guard cartridge (ZGC) 4/pk. Use with hardware kit 820999-901. A 4-pack of reversed-phase C18 HPLC guard cartridges with superficially porous particles. StableBond technology ensures stability at low pH.

Specifications:
Brand: Poroshell 300
Guard Column: Yes
Hardware: SS
Inner Diameter (ID): 2.1 mm
LC Platform: Stainless Steel
Length: 13 mm
Maximum Temperature: 90 °C
Part Number Application Domain: Biopharma
Part Number Application: Intact & Subunit AnalysisMonoclonal Antibodies (mABs)Proteins
Particle Size: 5 µm
Particle Type: Superficially Porous
Phase: 300SB-C18
Pore Size: 300 Å
Pressure Rating: 400 bar
Separation Mode: Reversed Phase
Shipping Solvent: Methanol/Water
Technique: LC
UNSPSC Code: 41115711
pH Range: 1-8

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This high-performance guard cartridge is designed to protect and extend the lifetime of analytical HPLC columns by efficiently trapping particulates and strongly retained contaminants from complex samples. With dimensions of 2.1 x 12.5 mm and a particle size of 5 microns, it is packed with a robust C18 bonded phase on Agilent’s advanced Poroshell 300 silica, delivering excellent sample protection while maintaining low backpressure and rapid mass transfer. Ideal for the analysis of peptides, proteins, and other large biomolecules, this cartridge provides enhanced stability at low pH, supporting reliable separations in demanding bioanalysis, pharmaceutical, and proteomics workflows. It is especially suited for applications requiring reproducible retention times and high column durability under a variety of mobile phase conditions. Each pack contains four cartridges, compatible with Agilent ZORBAX Guard Cartridge hardware systems and recommended for use with matching analytical columns in high-throughput laboratories. This product integrates seamlessly with Agilent 1100, 1200, and 1260 Infinity LC systems, as well as other major LC platforms utilizing Dimensions of 2.1 mm internal diameter columns. It is an essential accessory for researchers seeking to minimize downtime and maximize productivity in routine and advanced chromatographic analyses.