Ultisil®XB-C18 ----- Universal HPLC Analytical Column
Ultisil® XB-C18 is the most commonly used column in the market. It can substitute Waters Symmetry C18, Phenomenex Luna...
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Ultisil®XB-C8 -------------Less retentive than XB-C18 The XB-C8 phase is less retentive than XB-C18 phase, useful for strong hydrophobic compounds that are too strongly retaine...
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Ultisil® XB-Phenyl-Different Selectivity to Alkyl Phase Ultisil® XB-Phenyl phase is less retentive than conventional C18 or C8 phases, but more retentive than standard cyan...
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Ultisil® XB-CN-unique selectivity for polar compounds Ultisil® XB-CN column can be used in either reversed or normal phase. Reversed phase CN column has special selectivity...
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Ultisil® SiO2 Ultisil® SiO2 column uses ultra-high purity type B silica particles with no metal contents. SiO2 column can separate stronghydrophilic compounds in high conce...
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Ultisil® XB-NH2 Ultisil® XB-NH2 column is based on propyl-amino silane, mostly used in normal phase, but can also be used in reversed phase Features Used in normal phase ...
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Ultisil® Ion Exchange Column Ultisil® ion exchange columns are available for both Strong Anion Exchange(SAX) and Strong Cation Exchange(SCX) columns. The SCX/SAX columns ar...
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Ultisil® AQ-C18 -The most widely used column in food industry Ultisil® AQ-C18 columns are designed to have extended retention and selectivity for hydrophilic and polar comp...
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Topsil® Series HPLC Column Topsil® series HPLC column is a next-generation column by Welch, besides Ultisil® , Xtimate® and Welchrom®. The series use different ...
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Xtimate® HPLC Column Besides C18 and C8 bonded phases, Xtimate also provides C4, CN, Phenyl bonded phases. Xtimate® applies a new special SmoothpakTM technique to C18, C8, ...
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Welchrom® Series HPLC Column —Combination of perfect peak shape and lowest back pressure Feature Perfect peak shape and low back pressure. Ultra-high purity (>99.999%...
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BOLTIMATE® CORE-SHELL HPLC COLUMN Welch Boltimate® core-shell HPLC column particle size is 2.7μm, which consists of 1.7μm solid core and 0.5μm porouslayer(porous shell).This kind o...
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UHPLC COLUMN Welch also offers Ultisil® UHPLC (1.8μm) columns. With high column efficiency and good lot-to-lot reproducibility, Ultisil®UHPLC can generate high quality data, decrea...
