
Ultisil Columns
Ultisil is a broad selection of various stationary phases, each one offering familiar separation behavior in its classification. Upgrade to Ultisil to make it easy to demonstrate equivalence with the phase you might be using currently – plus, you get the Welch Advantages of Purity, Chemistry and Consistency.
Highlights
- Ultra-pure spherical porous silica, purity > 99.999%
- Tested and proven low levels of trace metal contamination
- Tenaciously-controlled bonding chemistry and end-capping
- Class-leading reproducibility, efficiency, symmetry, and lifetime
SKU: H00238-51037
Ultisil Lead oxide, 25%PbO2, 4.6×50mm
Ultisil Lead Oxide(PbO2) is a column specially designed by Welch for the detection of malachite green, crystal violet and their metabolite residues. Because the colorless malachite green fails to a...
SKU: H00238-51036
Ultisil Lead oxide, 25%PbO2, 4.6×35mm
Ultisil Lead Oxide(PbO2) is a column specially designed by Welch for the detection of malachite green, crystal violet and their metabolite residues. Because the colorless malachite green fails to a...
SKU: H00239-51036
Ultisil Lead oxide, 50%PbO2, 4.6×35mm
Ultisil Lead Oxide(PbO2) is a column specially designed by Welch for the detection of malachite green, crystal violet and their metabolite residues. Because the colorless malachite green fails to a...
SKU: H00238-51028
Ultisil Lead oxide, 25%PbO2, 4.0×50mm
Ultisil Lead Oxide(PbO2) is a column specially designed by Welch for the detection of malachite green, crystal violet and their metabolite residues. Because the colorless malachite green fails to a...
SKU: H00239-51037
Ultisil Lead oxide, 50%PbO2, 4.6×50mm
Ultisil Lead Oxide(PbO2) is a column specially designed by Welch for the detection of malachite green, crystal violet and their metabolite residues. Because the colorless malachite green fails to a...
SKU: H00239-51028
Ultisil Lead oxide, 50%PbO2, 4.0×50mm
Ultisil Lead Oxide(PbO2) is a column specially designed by Welch for the detection of malachite green, crystal violet and their metabolite residues. Because the colorless malachite green fails to a...
SKU: H00201-11010
Ultisil UHPLC XB-C18, 1.8μm, 2.1×50mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11009
Ultisil UHPLC XB-C18, 1.8μm, 2.1×30mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11012
Ultisil UHPLC XB-C18, 1.8μm, 2.1×100mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11011
Ultisil UHPLC XB-C18, 1.8μm, 2.1×75mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11014
Ultisil UHPLC XB-C18, 1.8μm, 2.1×150mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11210
Ultisil UHPLC XB-C18, 1.8μm, 2.1×50mm, W-Port
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11212
Ultisil UHPLC XB-C18, 1.8μm, 2.1×100mm, W-Port
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11018
Ultisil UHPLC XB-C18, 1.8μm, 3.0×30mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11019
Ultisil UHPLC XB-C18, 1.8μm, 3.0×50mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11036
Ultisil UHPLC XB-C18, 1.8μm, 4.6×30mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11023
Ultisil UHPLC XB-C18, 1.8μm, 3.0×150mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11021
Ultisil UHPLC XB-C18, 1.8μm, 3.0×100mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11037
Ultisil UHPLC XB-C18, 1.8μm, 4.6×50mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H02610-21100
Ultisil XB-C18, 5μm, 10×100mm, 120Å
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 mod...
SKU: H00201-11039
Ultisil UHPLC XB-C18, 1.8μm, 4.6×100mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H00201-11041
Ultisil UHPLC XB-C18, 1.8μm, 4.6×150mm
Ultisil UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and min...
SKU: H02610-21101
Ultisil XB-C18, 5μm, 10×150mm, 120Å
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 mod...
SKU: H02610-21102
Ultisil XB-C18, 5μm, 10×250mm, 120Å
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 mod...
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