OI Analytical VPH Analysis System


VPH Analysis System

OI Analytical continues to provide complete GC-based solutions for numerous analytical applications. We offer preconfigured systems for analysis of Volatile Petroleum Hydrocarbons (VPH) in water, soil, and solids based on the Massachusetts VPH and similar methods. Customize your system for specific applications with our expanding line of GC detectors, sample introduction instruments, and autosampler. Put our applications expertise and instrument know-how to work for you to help solve even the most challenging analytical problem.


  • Standard system package includes all necessary hardware for analysis: Agilent GC, OI Analytical Model 4660 Purge-and-Trap Sample Concentrator, Model 4450 Tandem PID/FID, columns, and standards 
  • Sample Concentrator provides built-in Cyclone Water Management, rapid trap heating and cooling, Silcosteel sample pathway, unique protective sparge filter design, and optional Infra-Sparge Sample Heater for improving sample recoveries 
  • Uses the Tandem PID/FID for excellent sensitivity and linearity 
  • PID hidden-window design prevents lamp fouling 
  • Third detector capability for additional analyses 
  • Choice of capillary columns 
  • Choice of autosamplers available for automated analysis 
  • Optional automated pH measurement 
  • Includes installation and startup using appropriate standards or methods in systems delivered in the U.S.
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