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  Laballiance	HPLC, UPLC
  SofTA	ELSD, Highest Sensitivity at Lowest Price
  Eicom	The Most Sensitive ECD System
  iChem Explorer	Thermal Chemistry Automation
  Organomation	Analytical Evaporators, Sample Concentration

• HPLC Columns
  

  Shodex	World Leader in Columns for Biochromatography
  BioAdvantage™	Reverse Phase Columns for Peptides, Proteins, and General Use
  TLCAdvantage™	High Throughput, Rugged General Use Columns
  Hamilton©	Hamilton Polymer Based Columns

• Related Products
  

  Vaplock	Closed Systems for Laboratory Solvents & Their Vapors
  Upchurch	HPLC Fittings, Adapters, Tubing, Valves & Accessories
  Hamilton	HPLC Columns, Syringes, Micro Valves, Soft-Grip™ Pipettes.
  Rheodyne	HPLC Sample Injection Valves, Switching Valves, Accessories
  Omnifit	Low Pressure, Inert Chromatography Components & Fluid Connectors

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HPLC Trouble Shooting

1. Abnormal Peak Shape
2. Fluctuation in Elution Time
3. Fluctuation in Baseline
4. Noise in Baseline
5. Rise in Pressure
6. General Care to Use Packed Columns
7. Column Cleaning Procedure
8. Column Test Conditions