
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: H00274-31014
Ultisil HILIC Amphion II, 5μm, 2.1×150mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31016
Ultisil HILIC Amphion II, 5μm, 2.1×250mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31021
Ultisil HILIC Amphion II, 5μm, 3.0×100mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31025
Ultisil HILIC Amphion II, 5μm, 3.0×250mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31026
Ultisil HILIC Amphion II, 5μm, 3.0×300mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31034
Ultisil HILIC Amphion II, 5μm, 4.0×250mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31037
Ultisil HILIC Amphion II, 5μm, 4.6×50mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31039
Ultisil HILIC Amphion II, 5μm, 4.6×100mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31041
Ultisil HILIC Amphion II, 5μm, 4.6×150mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31043
Ultisil HILIC Amphion II, 5μm, 4.6×250mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-31044
Ultisil HILIC Amphion II, 5μm, 4.6×300mm
Ultisil HILIC Amphion II is a zwitterionic HILIC column that employs covalent bonding technology to attach zwitterionic functional groups (containing both cations and anions). This eliminates the n...
P/N: H00274-11012
Ultisil UHPLC HILIC Amphion II, 1.8μm, 2.1×100mm
Ultisil UHPLC HILIC Amphion II column features a zwitterionic (amphion) structure containing both positively and negatively charged centers. This unique composition significantly enhances the reten...
P/N: H00808-24039
Ultisil HILIC Amphion, 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: H00808-04029
Ultisil HILIC Amphion, 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: H02635-21102
Ultisil HILIC Amphion II, 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...
P/N: H00808-24429
Ultisil HILIC Amphion II, 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: H00208-31943
Ultisil DLC LP-C18, 5μm, 4.6×250mm
The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hard...
P/N: H00201-31937
Ultisil DLC XB-C18, 5μm, 4.6×50mm
The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hard...
P/N: H00207-31943
Ultisil DLC AQ-C18, 5μm, 4.6×250mm
The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hard...
P/N: H00253-31943
Ultisil DLC Alk C18, 5μm, 4.6×250mm
The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation. The high har...
P/N: H00206-31931
Ultisil DLC Diol, 5μm, 4.0×125mm
The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hard...
P/N: H00215-31943
Ultisil DLC Polar RP, 5μm, 4.6×250mm
The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hard...
P/N: H00260-31943
Ultisil DLC Plus C18, 5μm, 4.6×250mm
The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hard...
P/N: H00201-11810
Ultisil DLC UHPLC XB-C18, 1.8μm, 2.1×50mm, W-port
The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hard...
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