CSH (Charged Surface Hybrid) Technology : Waters

Waters offers a comprehensive range of analytical system solutions, software, and services for scientists. Liquid Chromatography. Mass Spectrometry. Waters is the leading provider of lab equipment, supplies and software for scientists across the world. Easily research and order everything your lab needs! Waters offers a comprehensive range of analytical system solutions, software, and services for scientists. Liquid Chromatography. Mass Spectrometry. Waters is the leading provider of lab equipment, supplies and software for scientists across the world. Easily research and order everything your lab needs!

CSH (Charged Surface Hybrid) Technology

The 1.7 µm Charged Surface Hybrid (CSH™) particle is Waters third generation hybrid particle technology. Based on Waters Ethylene Bridged Hybrid (BEH) particle technology, CSH particles incorporate a low level surface charge that improves sample loadability and peak asymmetry in low-ionic-strength mobile phases, while maintaining the mechanical and chemical stability inherent in the BEH particle technology.

The advantages of CSH Technology UPLC chromatography columns include:

Superior peak shape for basic compounds
Increased loading capacity
Rapid column equilibration after changing mobile-phase pH
Improved batch-to-batch reproducibility
Exceptional stability at low and high pH

Click here for Waters new CSH130 columns for peptide separations.

CSH particle technology is also available in HPLC particle sizes (3.5 and 5 µm) in the XSelect™ family of HPLC columns, enabling seamless transfer between HPLC and UPLC® technology platforms.

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Improved Loading Capacity

CSH Technology provides exceptional loading capacity, particularly for basic compounds under low-pH, weak-ionic-strength mobile phase conditions. The increased and improved loadability possible with CSH Technology permits the separation, identification and quantitation of closely eluting impurities or degradants.

UPLC to HPLC Method Transfer

The CSH Technology particles used in both ACQUITY UPLC and XBridge HPLC columns differ only in their particle size, enabling seamless methods transfer and the fastest route to an optimized LC method. CSH particles maximize efficiency, improve high-pH stability and improve chromatography column reliability for both UPLC and HPLC systems.

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CSH (Charged Surface Hybrid) Technology