Agilent, 5064-8295, ZORBAX 300SB-C18 Guard 5µm, 0.3 x 35 mm

ZORBAX 300SB-C18 Guard 5µm, 0.3 x 35 mm. A reversed-phase C18 HPLC guard column with fully porous ZORBAX particles. StableBond technology ensures stability at low pH.

Specifications:
Brand: ZORBAX
Guard Column: Yes
Hardware: SS
Inner Diameter (ID): 0.3 mm
LC Platform: Stainless Steel
Length: 35 mm
Maximum Temperature: 90 °C
Part Number Application Domain: Biopharma
Part Number Application: Monoclonal Antibodies (mABs)PeptidesProteins
Particle Size: 5 µm
Particle Type: Fully Porous
Phase: 300SB-C18
Pore Size: 300 Å
Pressure Rating: 400 bar
Separation Mode: Reversed Phase
Shipping Solvent: Acetonitrile/Water
Technique: LCLC & LC/MS
UNSPSC Code: 41115711
pH Range: 1-8

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The ZORBAX 300SB-C18 Guard with 5-micron particle size and dimensions of 0.3 x 35 mm is designed to protect analytical columns by effectively retaining contaminants and particulate matter during high-performance liquid chromatography (HPLC) analyses. This guard column features a stable C18 reversed-phase bonded phase on a 300 Å pore size, making it ideal for the analysis of peptides, proteins, and other biomolecules that require larger pore sizes for optimal separation. Engineered for robustness, it extends the lifetime of the main analytical column while maintaining high-performance separation efficiency.

This guard column is best utilized in proteomics research, pharmaceutical development, and biotechnology workflows where sample cleanliness and column longevity are essential. It is compatible with microbore LC systems and fits seamlessly with Agilent ZORBAX 300SB series columns, supporting standard LC and UHPLC applications. Integration with Agilent systems such as the 1100 and 1200 Series, as well as other major HPLC platforms, ensures operational flexibility. Related accessories, including analytical columns and replacement parts from the ZORBAX product line, further complement this guard column, enhancing overall chromatographic reliability and data quality in demanding research environments.