Freeze drying for gas chromatography stationary phase deposition
Patent
·
OSTI ID:903349
- Livermore, CA
The present disclosure relates to methods for deposition of gas chromatography (GC) stationary phases into chromatography columns, for example gas chromatography columns. A chromatographic medium is dissolved or suspended in a solvent to form a composition. The composition may be inserted into a chromatographic column. Alternatively, portions of the chromatographic column may be exposed or filled with the composition. The composition is permitted to solidify, and at least a portion of the solvent is removed by vacuum sublimation.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-94AL85000
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Number(s):
- 7,157,004
- Application Number:
- 10/998,847
- OSTI ID:
- 903349
- Country of Publication:
- United States
- Language:
- English
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