Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000/m; for 5 μm column, it is greater than 75000/m, and the peak symmetry is around 0.95~1.20.
Xtimate C18 column utilizes Welch’s patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allows the use of a variety of mobile phase systems across a wide pH range and temperature conditions. Even under the most stringent conditions, it offers highly stable performance and a longer lifespan, with a longer service life than regular C18 columns under standard conditions.
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