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          Development
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• 
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          for Use
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• 
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  • Conditioning Procedure
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• 
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• 
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• 
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          A Case Study in Frustration
  • Download HSQ/PQ Kit Software
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          Easy SOP
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          Development
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  • Why Buy Cogent™ HPLC Columns?




• 
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  • Care of Cogent™ HPLC Columns
  • Column Tubing Diameters and Volumes
  • Common HPLC Formulas
  • Common Terms for HPLC Column
          Diameters
  • Compare and Measure HPLC Instruments
  • Determine Dwell Volume
  • HPLC Technical Support
  • Pressure Conversion Chart
  • Tips for Peak Shape Improvement:
          GPC Columns
  • Troubleshooting


• 
  • Why Buy Cogent™ HPLC Columns?
  • Listing of Columns
    • Columns
      • Bidentate C18 - TYPE-C™
      • Cogent e-Columns™
      • Cogent Qx2™
      • Cogent™ Guard Column System
      • Diamond Hydride - TYPE-C™
      • HPS™ - Base Deactivated Columns
      • hQ™ - Slightly Polar Columns
      • Silica-C™ - TYPEC-C
      • TYPE-C™ - HPLC Columns
      • UDC-Cholesterol - TYPE-C™
      • UPHOLDC27™ - for High Aqueous
      
      
    • Alternatives to Market Leaders
      • MS-MicroBee™ - HPLC Columns
      • Simulare™ - HPLC Columns
      • HyperSphere™ - Cogent Classic
      
      
  
  
  • Technical Support
  • About Cogent
  • Cogent Stationary Phases
    • Amino
    • Cyano
    • C8 (Octyl)
    • C18 (Octadecyl)
    • C27
    • Diamond Hydride
    • Phenyl
  
  
  • Comparison of Column Sizes
  • Comparison of HPS™ v. Market Leaders
  • FAQs
  • Guard Columns
  • Home page
  • How to Store Cogent Columns
  • Product Literature
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• 
  • GPC Columns
  • SEC Columns
  • RP Columns


• 
  • What is a Redi-Reckoner™?


• 
  • Centrifuge, Mini-Personal
  • Degasser, In Line
  • Post Column Reactor
  • Solvent Recyclers


• 
  • Column Couplers
  • Column Water Jackets
  • Crosses for HPLC
  • Desiccant for HPLC Solvents
  • Filters, Mobile Phase
  • Fittings, Classic™
    • Combi Head Male Nuts
    • Male Nuts - 1 Piece
    • Male Nuts - 2 Piece
    • Male Nuts - Stainless Steel
  
  
  • Guard Columns
  • Syringes - Glenco
  • Tees for HPLC
  • Tubing, Low Pressure
  • Tubing, PEEK for HPLC
  • Tubing, Stainless Steel
  • Unions for HPLC
  • Valves, Manual
  • Valve Replacement Parts



• 
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  • DrySphere™ - Desiccant for Chromatography
  • Silica Gel Sorbents


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