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
Ultisil XB-C30, Cartridge: 10µm, 120Å, 4.6×10mm
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
Ultisil XB-C30, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
Ultisil XB-C30, Prep Cartridge: 5µm, 120Å, 21.2×10mm
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
Ultisil DLC UHPLC XB-C18, 1.8μm, 2.1×50mm
The diamond coating technology enhanced the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hard...
Ultisil XB-C18, 5μm, 4.6×250mm,3/pk
Multi-Lot LC Column Bundle contains three different lots of columns. The column uses ultra-high-purity spherical silica as the matrix, and is bonded with high-density alkyl functional groups, which...
Ultisil LP-C18, 5μm, 4.6×250mm,3/pk
Multi-Lot LC Column Bundle contains three different lots of columns. The column uses ultra-high-purity spherical silica as the matrix, and is bonded with high-density alkyl functional groups, which...
Ultisil Polar RP, 5μm, 4.6×250mm,3/pk
Multi-Lot LC Column Bundle contains three different lots of columns. The column uses ultra-high-purity spherical silica as the matrix, and is bonded with high-density alkyl functional groups, which...
Ultisil Plus C18, 5μm, 4.6×250mm,3/pk
Multi-Lot LC Column Bundle contains three different lots of columns. The column uses ultra-high-purity spherical silica as the matrix, and is bonded with high-density alkyl functional groups, which...
Ultisil ODS-3, 5μm, 4.6×250mm,3/pk
Multi-Lot LC Column Bundle contains three different lots of columns. The column uses ultra-high-purity spherical silica as the matrix, and is bonded with high-density alkyl functional groups, which...
Ultisil MM NH2/CN, 5μm, 4.6×250mm
Mixed Mode Phase, as a novel packing material, exhibits distinct selectivity compared to traditional single-bonded phases, featuring dual mechanisms of hydrophobic and ion exchange actions. It is c...
Ultisil MM NH2/CN, 5μm, 4.6×150mm
Mixed Mode Phase, as a novel packing material, exhibits distinct selectivity compared to traditional single-bonded phases, featuring dual mechanisms of hydrophobic and ion exchange actions. It is c...
Ultisil MM NH2/CN, 5μm, 3.0×150mm
Mixed Mode Phase, as a novel packing material, exhibits distinct selectivity compared to traditional single-bonded phases, featuring dual mechanisms of hydrophobic and ion exchange actions. It is c...
Ultisil MM NH2/CN, Cartridge: 5µm, 120Å, 4.6×10mm
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
Ultisil UHPLC HILIC, 1.8μm, 2.1×30mm
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 2.1×50mm
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 2.1×100mm
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 2.1×75mm
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 2.1×150mm
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 2.1×50mm, W-Port
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 2.1×100mm, W-Port
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 3.0×30mm
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 3.0×50mm
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 3.0×100mm
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Ultisil UHPLC HILIC, 1.8μm, 3.0×150mm
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
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