HPLC Column, Zx Similars C8 Octyl, 3um, 4.0mm ID x 150mm Length. Cogent Brand. 1 EA. Special Order Item.
Additional Information:
Cogent Zx Similars C8™ Octyl HPLC Columns are part of the Similars product line that has been trusted by HPLC laboratories worldwide for many years. Manufactured using high-purity spherical silica and traditional bonding technology, this Type-B stationary phase features an end-capped C8 (octyl) bonded phase designed to provide reliable reversed-phase performance and exceptional value. The silica surface characteristics are intentionally similar to Agilent ZORBAX® columns, making these columns an excellent alternative for methods developed with comparable L7 stationary phases.
65308-15P-4 is packed with 3 µm Zx Similars C8™ Octyl particles in a 4.0 mm ID x 150 mm analytical HPLC column format. The 150 mm length provides enhanced retention and chromatographic resolution for complex sample matrices, while the 3 µm particle size offers an excellent balance of efficiency, resolution, and operating pressure. This column is particularly well suited for routine analytical methods, method transfer applications, and quality control laboratories seeking consistent reversed-phase performance.
The octyl (C8) bonded phase provides less hydrophobic retention than traditional C18 columns, making it an excellent choice for compounds that may be excessively retained on longer-chain stationary phases. It is particularly useful for long-chain fatty acids, moderately hydrophobic compounds, neutral compounds, and analytes requiring faster elution while maintaining excellent peak shape and reproducibility. The USP L7 classification makes this column suitable for many established chromatographic methods requiring C8 selectivity.
Key Benefits
Zx Similars C8™ Octyl stationary phase
USP L7 equivalent chemistry
End-capped Type-B silica
High-purity spherical silica
Traditional C8 bonding technology
Similar surface characteristics to ZORBAX® columns
3 µm particle size
Excellent reversed-phase performance
Reduced retention compared to C18 columns
Ideal for method transfer applications
Typical Applications
Reversed-phase HPLC
USP L7 methods
Long-chain fatty acid analysis
Neutral compound analysis
Hydrophobic compound analysis
Pharmaceutical analysis
Quality control testing
Method transfer studies
Routine analytical testing
Research laboratories
Specifications
Product Type: HPLC Column
Stationary Phase: Zx Similars C8™ Octyl
USP Classification: L7
Bonded Phase: C8 (Octyl)
Silica Type: End-Capped Type-B
Particle Size: 3 µm
Column Dimensions: 4.0 mm ID x 150 mm
Chromatography Mode: Reversed Phase
Brand: Cogent
Important Notes
USP L7 equivalent stationary phase
End-capped Type-B silica technology
Similar surface characteristics to Agilent ZORBAX® C8 columns
Suitable alternative for many methods developed with comparable L7 columns
Provides less retention than traditional C18 phases
Excellent for long-chain fatty acids and moderately hydrophobic compounds
Suitable for routine analytical testing and quality control methods
150 mm length provides increased retention and chromatographic resolution
3 µm particles provide an excellent balance of efficiency and operating pressure
Special Order Item Information
Please review the Special Order Item Information for complete details.
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