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Sorbent Media-Tenax

Sorbent Media-Tenax. Sorbent Media-Tenax. Definition In line collection point for desired contaminant Purpose Collection of particulate matter Serves as “capture” point of sampling train for later analysis. Sorbent Media-Tenax. Specific Surface Area 20 m2/g Upper Temperature Range

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Sorbent Media-Tenax

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  1. Sorbent Media-Tenax

  2. Sorbent Media-Tenax • Definition • In line collection point for desired contaminant • Purpose • Collection of particulate matter • Serves as “capture” point of sampling train for later analysis

  3. Sorbent Media-Tenax • Specific Surface Area • 20 m2/g • Upper Temperature Range • 350-400C • Composition • Polymer of 2,6-diphenyl-p-phenylene oxide

  4. Sorbent Media-Tenax • Sorbent of choice for low-levels • High thermal limit • Conducive to thermal desorption

  5. Sorbent Media-Tenax • Sorbent of choice for low-levels • Organic compounds • VOCs • Non-polar organics • Especially those with BP 80-200C • TNT, DNT

  6. Sorbent Media-Tenax • Method of Operation • Thermal desorption

  7. Sorbent Media-Tenax • Calibration • Rotameter • Flow is calibrated against ball “floating” in air in the chamber • Bubble tube(Manual or Electronic) • Flow is calibrated by timing bubble travel speed in vertical column

  8. Sorbent Media-Tenax • Filter Cassettes • Filter Cassette Holder

  9. References Cited SKC Inc. Corporate Web Page http://www.skcinc.com/ accessed 04/03/01 Tenax Web Page http://www.tenax.net accessed 05/01/01

  10. Bibliography • DiNardi Salvatore R. (1998) The Occupational Environment-Its Evaluation and Control, AIHA, Fairfax, Virginia • Goetsch David L. (1999) Occupational Safety and Health for Technologists, Engineers, and Managers, Prentice Hall, Upper Saddle River, New Jersey

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