Evolution 2 Purge & Trap Concentrator

Technology: Purge & Trap

EST Analytical

New Evolution 2 Purge and Trap Concentrator EST Analitycal


Design and functionality is based on laboratory feedback. The USEPA compliant system provides high productivity, stability, reliability and fast maintenance to meet the needs of today’s laboratory for the concentration of volatile organic compounds (VOCs).

Stability and Moisture Control

  • ARID Technology for advanced Moisture control
  • Engineered with an 8 port valve sample pathway
  • Uses moisture reduction trap (MORT)
  • Desorb Pressure Control (DPC) (Patented)
  • Desorb Flow Control (DFC) (Patented)

Maximize Productivity and Reduce Carryover

  • Patented sample flow design reduces sample carryover
  • Faster trap cool down times.
  • New engineering design for enhanced ventilation results in reducing trap cool down times by 40% over previous models.
  • Automated signaling to reduce cycle time
  • Dual mode capability to increase sample output
  • Improved shell design.
  • The system is designed for easy on/off covers for quick and easy access to the traps
  • Advanced software interface


USEPA 502.1, 502.2, 524.2, 524.3, 524.4, 503.1, 601, 602, 603, 624, 5030, 8010, 8015, 8020, 8021, 8030, 8240, 8260
ASTM and Standard Methods
Massachusetts VPH and GRO Methods

Elettronica e controllo EPC migliorati completano le innovazioni tecnologiche e fanno del sistema Evolution 2, il Purge &Trap che consente il più rapido tempo di analisi, sia quando utilizzato singolarmente che quando interfacciato al campionatore automatico Centurion.

Application notes
Determinazione dei VOC in matrici acquose con tecnica Purge & Trap – GCMSD
File size: 478 KB
USEPA 524.2 Method Validation Using the Evolution 2 Purge and Trap Concentrator _EST Analytical

The system met all of the method requirements. The Evolution 2 Purge & Trap with its new software, smaller footprint and
better ventilation for faster cool down time is an excellent addition to any drinking water lab.

File size: 800 KB
USEPA 524.2 Method Validation Using the Evolution Purge and Trap Concentrator and the Centurion WS Autosampler _ EST Analytical

This study demonstrated the effectiveness of the Evolution/Centurion purge and trap sampling system.
The results passed all of the USEPA Method 524.2 criteria for both linearity and detection limits.

File size: 163 KB
Drinking Water Analysis Conditions for USEPA Method 524.3 and the Newly Proposed Method _ P&T EST Analytical 524.4

The Encon Evolution and Centurion WS performed very well using both the Helium and Nitrogen purge gases and the 440ml and 390ml purge volumes.

File size: 284 KB
Benefits of Using Desorb Flow Control with the Encon Evolution _ P&T EST Analytical

The results of this study show the patented Desorb Flow Control is an exceptional tool for conserving helium and creating a more stable system.

File size: 316 KB
Optimal conditions for USEPA Method 8260 _ P&T EST Analytical

The instrument configuration and operating conditions produded outstanding performance for USEPA Method 8260B.

File size: 319 KB
Purge Flow Effects on USEPA Method 524.3 Compounds _ P&T EST Analytical

The effect of purge flow and volume can be significant.

File size: 2 MB


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