Spangler, 1998 - Google Patents
Modification of Golay's Theory for Rectangular Microfabricated Gas Chromatographic ColumnsSpangler, 1998
- Document ID
- 14366311536421354899
- Author
- Spangler G
- Publication year
- Publication venue
- ASME International Mechanical Engineering Congress and Exposition
External Links
Snippet
The effect of band broadening in gas chromatography is specified by the height-equivalent- to-a-theoretical-plate (HETP) for the column. The HETP takes into account both longitudinal diffusion and resistance-to-mass-transfer in the gas and liquid phases. The original theory …
- 230000004048 modification 0 title abstract description 4
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
- G01N30/6052—Construction of the column body
- G01N30/6073—Construction of the column body in open tubular form
- G01N30/6078—Capillaries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
- G01N30/6095—Micro-machined or nano-machined, e.g. micro- or nano-size
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N2030/022—Column chromatography characterised by the kind of separation mechanism
- G01N2030/025—Gas chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/38—Flow patterns
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8512457B2 (en) | Differential acceleration chromatography | |
| Ali et al. | MEMS-based semi-packed gas chromatography columns | |
| US8152908B2 (en) | Micromachined gas chromatography columns for fast separation of Organophosphonate and Organosulfur compounds and methods for deactivating same | |
| Peaden et al. | Theoretical treatment of resolving power in open tubular column supercritical fluid chromatography | |
| Agah et al. | High-performance temperature-programmed microfabricated gas chromatography columns | |
| Poppe | Some reflections on speed and efficiency of modern chromatographic methods | |
| US6663697B1 (en) | Microfabricated packed gas chromatographic column | |
| Spangler | Relationships for modeling the performance of rectangular gas chromatographic columns | |
| WO2005121774A2 (en) | High-performance separation microcolumn assembly and method of making same | |
| Hessling et al. | Diffusion dominated evaporation in multicomponent lattice Boltzmann simulations | |
| US7744818B2 (en) | Stationary phase materials for micro gas analyzer | |
| Alfeeli et al. | Interchannel mixing minimization in semi-packed micro gas chromatography columns | |
| Spangler | Modification of Golay’s Theory for Rectangular Microfabricated Gas Chromatographic Columns | |
| Chan et al. | Semi-packed gas chromatography columns with density modulated pillars | |
| Sidelnikov et al. | Gas chromatography of the future: columns whose time has come | |
| Potkay et al. | A high-performance microfabricated gas chromatography column | |
| Li et al. | High-separation efficiency micro-fabricated multi-capillary gas chromatographic columns for simulants of the nerve agents and blister agents | |
| Edwards et al. | Thin film electro-osmotic pumps for biomicrofluidic applications | |
| Hagman et al. | Trapping efficiency of capillary cold traps | |
| Fields et al. | Effect of stationary phase film thickness on efficiency in capillary supercritical fluid chromatography | |
| US20070274867A1 (en) | Stationary phase for a micro fluid analyzer | |
| Hudson et al. | Design, testing, and simulation of microscale gas chromatography columns | |
| Wong et al. | Modeling transport in gas chromatography columns for the micro-ChemLab | |
| Crane et al. | Manipulating the inter pillar gap in pillar array ultra-thin layer planar chromatography platforms | |
| Rachkidi et al. | Integration of semi-packed columns in gas chromatography, optimization, and performances |