Flexible vessel and frame for microwave assisted chemistry

Details Flexible vessel and frame for microwave assisted chemistry Flexible vessel and frame for microwave assisted chemistry

2000-01-13

2000-10-24

Le, Long V.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422102, 422104, 422113, 436155, B01L 300

Patent

active

06136276&

ABSTRACT:
A self venting sealable vessel system for microwave assisted chemistry is disclosed. The system includes a vessel formed of a microwave-transparent material, one end of which forms an opening for placing materials inside the vessel, a lid for being seated against the opening, a flexible frame surrounding the vessel and lid and formed of a microwave-transparent material, and means for urging the frame against the vessel and seated lid with a predetermined force to seal the vessel at low pressures and so that the frame refrains from flexing until the pressure inside the vessel exceeds the predetermined force, after which the frame flexes sufficiently to allow the lid to unseat and gases to vent safely from the vessel without rupturing the vessel or the frame.

REFERENCES:
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patent: 5427741 (1995-06-01), Bennett
patent: 5520886 (1996-05-01), Bennett et al.
Lorentzen, M.L., et al., "Comparison of Microwave-Assisted and Conventional Leaching Using EPA Method 3050B," Analytical Chemistry, vol. 68, No. 24, Dec. 15, 1996, pp. 4316-4320.

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