  
          A Family of HPLC columns for the Discerning Chromatographer. 
            
          1.    Peerless Basic
          
            - Type B Ultra High Purity Spherical Silica (99.999%)
 
            - Excellent for Basic, Acidic and Neutral Compounds
 
            - High Carbon Load
 
            - Extremely reproducible
 
            - Highly efficient and reproducible
 
            - Family – Basic C18, Basic C8
 
            - Long Column Lifetimes
 
           
          2.    Peerless
          
            - Based on High Purity Spherical Silica (99.99%)
 
            - Excellent for Acidic and Neutral Compounds
 
            - Totally porous, rigid, spherical particles
 
            - Moderate Carbon Load
 
            - Family – Silica C18, C8, C4, Phenyl, Cyano, Amino, Di-ol
 
            - Long Column Lifetimes
 
           
          3.    Peerless LC
          
            - Based on Type A Spherical Silica
 
            - Good General Purpose Column
 
            - Low Carbon Load
 
            - Silica deactivated for Bases
 
            - Family C18, C8, Phenyl
 
            - Long Column Lifetimes
 
           
          4.    Peerless HT 
          
            - Based on High Purity Spherical Silica (99.99%)
 
            - Particle Size: 1.8µm
 
            - Excellent for Acidic and Neutral Compounds
 
            - Totally porous, rigid, spherical particles
 
            - Moderate Carbon Load
 
            - Family –C18, C8
 
            - Long Column Lifetimes
 
           
          5.     Peerless 120
          
            - Type B Ultra High Purity Spherical Silica (99.999%)
 
            - Excellent for Basic, Acidic and Neutral Compounds
 
            - High Carbon Load
 
            - Extremely reproducible
 
            - Highly efficient and reproducible
 
            - Family – Basic C18, Basic C8, aQ
 
            - Long Column Lifetimes
 
           
          6.     Peerless Bio
          
            - Type B Ultra High Purity Spherical Silica (99.999%)
 
            - Pore Size: 300 Å
 
            - Excellent for Biomolecules – Proteins and Peptides
 
            - Totally Porous, Rigid, Spherical Particles
 
            - Family – C18, C8, C4.
 
            - Double Bonded- Bidentate endcapping
 
            - Good reproducibility and chemical stability
 
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