
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
P/N: H00808-24020
Ultisil Diol, Cartridge: 5µm, 120Å, 2.1×10mm, 2pcs
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...
P/N: H00808-03020
Ultisil Diol, Cartridge: 3µm, 120Å, 4.6×10mm, 2pcs
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...
P/N: H00808-04020
Ultisil Diol, Cartridge: 5µm, 120Å, 4.6×10mm, 2pcs
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...
P/N: H00808-05020
Ultisil Diol, Cartridge: 10µm, 120Å, 4.6×10mm, 2pcs
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...
P/N: H00808-24420
Ultisil XB-Diol, 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...
P/N: H00808-14814
Ultisil XB-Diol, 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...
P/N: H00808-15823
Ultisil Diol, Semi-Prep Cartridge: 10µm, 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...
P/N: H00200-21009
Ultisil SiO2, 3μm, 2.1×30mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1001%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21068
Ultisil SiO2, 3μm, 2.1×33mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1002%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21010
Ultisil SiO2, 3μm, 2.1×50mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1003%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21011
Ultisil SiO2, 3μm, 2.1×75mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1004%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21012
Ultisil SiO2, 3μm, 2.1×100mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.999%) as the packing material, featuring low acidity and low metal content. It is suitable for the sep...
P/N: H00200-21013
Ultisil SiO2, 3μm, 2.1×125mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.999%) as the packing material, featuring low acidity and low metal content. It is suitable for the sep...
P/N: H00200-21014
Ultisil SiO2, 3μm, 2.1×150mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1000%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21018
Ultisil SiO2, 3μm, 3.0×30mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1010%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21019
Ultisil SiO2, 3μm, 3.0×50mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1011%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21020
Ultisil SiO2, 3μm, 3.0×75mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1012%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21021
Ultisil SiO2, 3μm, 3.0×100mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1005%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21022
Ultisil SiO2, 3μm, 3.0×125mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1006%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21023
Ultisil SiO2, 3μm, 3.0×150mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1007%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21024
Ultisil SiO2, 3μm, 3.0×200mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1008%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21025
Ultisil SiO2, 3μm, 3.0×250mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1009%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21027
Ultisil SiO2, 3μm, 4.0×30mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1021%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
P/N: H00200-21028
Ultisil SiO2, 3μm, 4.0×50mm
Ultisil SiO2 column utilizes B-type ultrapure fully porous spherical silica gel (purity >99.1022%) as the packing material, featuring low acidity and low metal content. It is suitable for the se...
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