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:  H02612-31209 
                 
          Ultisil AQ-C18, 10μm, 50×150mm, 120Å (1pcs/pk)
        
            
        
        
          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:  H00808-23003 
                 
          Ultisil AQ-C18, Cartridge: 3µm, 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:  H02612-31210 
                 
          Ultisil AQ-C18, 10μm, 50×250mm, 120Å (1pcs/pk)
        
            
        
        
          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:  H00808-24003 
                 
          Ultisil AQ-C18, 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:  H00808-03003 
                 
          Ultisil AQ-C18, 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:  H00808-04003 
                 
          Ultisil AQ-C18, 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:  H00808-05003 
                 
          Ultisil AQ-C18, 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:  HU808-207-25 
                 
          Ultisil UHPLC AQ-C18, Cartridge: 1.8μm, 120Å, 2.1×5mm, 2pcs
        
            
        
        
          Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0 <ID ≤3.0mm, it is recommended to use 2.1×5.0mm cartridge, while whe...
        
        
        
        
       
       P/N:  HU808-207-45 
                 
          Ultisil UHPLC AQ-C18, Cartridge: 1.8μm, 120Å, 4.0×5mm, 2pcs
        
            
        
        
          Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0 <ID ≤3.0mm, it is recommended to use 2.1×5.0mm cartridge, while whe...
        
        
        
        
       
       P/N:  H00808-15403 
                 
          Ultisil AQ-C18, Semi-Prep Cartridge: 10µm, 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:  H00808-15803 
                 
          Ultisil AQ-C18, 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:  H00808-24403 
                 
          Ultisil AQ-C18, 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:  H00808-14803 
                 
          Ultisil AQ-C18, 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:  H00808-08603 
                 
          Ultisil AQ-C18, Prep Cartridge 5µm, 120Å, 30×10mm
        
            
        
        
          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:  H00207-21009 
                 
          Ultisil AQ-C18, 3μm, 2.1×30mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
       P/N:  H00207-21068 
                 
          Ultisil AQ-C18, 3μm, 2.1×33mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
       P/N:  H00207-21010 
                 
          Ultisil AQ-C18, 3μm, 2.1×50mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
       P/N:  H00207-21011 
                 
          Ultisil AQ-C18, 3μm, 2.1×75mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
       P/N:  H00207-21012 
                 
          Ultisil AQ-C18, 3μm, 2.1×100mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
       P/N:  H00207-21013 
                 
          Ultisil AQ-C18, 3μm, 2.1×125mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
       P/N:  H00207-21014 
                 
          Ultisil AQ-C18, 3μm, 2.1×150mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
       P/N:  H00207-21015 
                 
          Ultisil AQ-C18, 3μm, 2.1×200mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
       P/N:  H00207-21016 
                 
          Ultisil AQ-C18, 3μm, 2.1×250mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
       P/N:  H00207-21018 
                 
          Ultisil AQ-C18, 3μm, 3.0×30mm (1pcs/pk)
        
            
        
        
          Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...
        
        
        
        
       
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