C18 bonded phase

USHD HILIC-Amide Hilic HPLC Column USHD Hilic-Amide Column is a chimeric HILIC hydrophilic interaction column based on amide bonding, offering similar retention behavior to HILIC amino columns but with enhanced selectivity and significantly longer column lifespan. It provides strong retention for polar ionic compounds and excels in the separation of acidic and strongly polar analytes,…

USHD HILIC-SiO2 Hilic HPLC Column USHD Hilic-SiO₂ Column is a hydrophilic silica gel-based HILIC column, specially treated to enhance retention of highly polar and water-soluble compounds. Designed for high aqueous mobile phases, it offers excellent selectivity, strong retention performance, and long column life—making it ideal for challenging polar analyses, including highly basic polar compounds. Have…

USHD C4-Bio HPLC Column (Macroporous, pH-Resistant for Biomolecular Analysis) USHD C4-Bio HPLC Column is built on ultra-high purity organic-inorganic hybrid macroporous silica gel and features a proprietary C4 bonding process. Designed for the analysis of macromolecular biological samples, it provides excellent stability, batch reproducibility, and exceptional resistance to extreme pH conditions (pH 1–11). This column…

USHD C8-Bio HPLC Column (Macroporous, pH-Resistant for Biomolecular Analysis) USHD C8-Bio HPLC Column is designed with ultra-high purity organic-inorganic hybrid macroporous silica gel and a proprietary bonding process for excellent stability and batch-to-batch reproducibility. Engineered for biopharmaceutical applications, it offers exceptional resistance to both strong acids and alkalis (pH 1–11), making it ideal for the…

USHD SEC-Bio 1.8μm HPLC SEC Columns Factory Supplier USHD Bio-SEC Column (1.8μm, 300Å) is a high-resolution size exclusion chromatography column specifically designed for the analysis of macromolecular biological samples. It is ideal for applications such as protein, nucleic acid, enzyme, antibody, peptide, and ADC drug molecular weight analysis—including monoclonal antibody (mAb) development. With a specialized…

USHD SEC-Bio HPLC SEC Columns Factory Supplier USHD Bio-SEC Column is specifically engineered for the precise molecular weight analysis of macromolecular biological samples, including proteins, nucleic acids, enzymes, antibodies, peptides, and ADC drugs. Utilizing a specialized bonding process, it minimizes sample adsorption, ensures stable batch-to-batch reproducibility, and extends column lifespan—ideal for applications such as monoclonal…

USHD SEC-U Series Size Exclusion HPLC Column Factory Supplier The USHD SEC-U HPLC Column is designed for precise molecular weight analysis of water-soluble polymers, polysaccharides, polyethylene glycols, and globular proteins. It supports a wide molecular weight range and is suitable for general macromolecular applications. For repetitive or sensitive biomolecular testing, the USHD Bio-SEC column is…

USHD CN Normal Phase HPLC Column Factory Supplier The USHD CN HPLC Column features an ultra-pure silica matrix bonded with a cyanopropyl stationary phase, offering dual-mode functionality for both normal and reversed-phase chromatography. With moderate polarity and unique π-electron interactions, it delivers distinct selectivity, making it ideal for separating strongly basic and highly hydrophobic compounds…

USHD Sio2 Normal Phase HPLC Column Factory Supplier The USHD SiO₂ HPLC Analytical Column is made from ultrapure spherical silica gel with metal impurities less than 10 ppm, delivering high column efficiency and excellent peak shape. It offers specialized selectivity for structural isomers and is ideal for separating strongly polar, basic organic, and fat-soluble compounds…