Design, Fabrication, and Evaluation of Micro Gas Chromatography Columns PDF Download
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Author: Adarsh D. Radadia
Publisher:
ISBN: 9781109219883
Category :
Languages : en
Pages : 388
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Book Description
The amalgamation of these developments allows creating microcolumns with performance comparable to commercial fused silicon columns.
Author: Adarsh D. Radadia
Publisher:
ISBN: 9781109219883
Category :
Languages : en
Pages : 388
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Book Description
The amalgamation of these developments allows creating microcolumns with performance comparable to commercial fused silicon columns.
Author: J.H. Sun
Publisher:
ISBN:
Category : Science
Languages : en
Pages :
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Book Description
Design, Modeling, Microfabrication and Characterization of the Micro Gas Chromatography Columns.
Author: J.H. Sun
Publisher:
ISBN: 9789535102984
Category :
Languages : en
Pages :
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Book Description
Author: Herbert Henry Fanning
Publisher:
ISBN:
Category : Chromatographic analysis
Languages : en
Pages : 88
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Book Description
Author: Paul C.H. Li
Publisher: CRC Press
ISBN: 142002745X
Category : Medical
Languages : en
Pages : 529
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Book Description
The microfluidic lab-on-a-chip allows scientists to conduct chemical and biochemical analysis in a miniaturized format so small that properties and effects are successfully enhanced, and processes seamlessly integrated. This microscale advantage translates into greater sensitivity, more accurate results, and better information. Microfluidic
Author: Raphael Haudebourg
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
A totally new solid stationary phase deposition technique for micro machined gas chromatography (GC) columns fabrication was proposed: to overcome the limitations of conventional liquid (or occasionally solid) stationary phases in terms of very volatile compounds retention and/or clean room batch production, an approach consisting of the collective direct deposition of the adsorbent in micro columns channels by sputtering was performed. The process was fully compatible with clean room fabrication flow and industry-ready, with very good precision results. Silica, alumina, graphite and magnesia were proven able to separate volatile hydrocarbons. Various types of columns (structure, stationary phase) were fabricated in the form of 2x2 cm2 silicon-Pyrex chips, and their thermodynamic and kinetic evaluations were reported. Retentions were observed to increase from magnesia to graphite through alumina and silica and with phase ratio decrease, as expected; very satisfying efficiencies were obtained: more than 5700 plates, and 250 μm-high plates. The possibility to use such columns for fast in-situ and autonomous monitoring of light hydrocarbons in oilfield environments was demonstrated by the implementation of a chip temperature-programming system and various versatility tests (high temperatures, carrier gas, humidity): a complete C1-C9 linear alkanes separation was performed in less than 15 seconds, as well as complex mixtures fast separations (isomers, unsaturated), and an industrial confidential application was developed and patented. Therefore, sputter-deposited stationary phase micro columns opened numerous perspectives for the developments of miniaturized GC apparatuses.
Author: Shaurya Prakash
Publisher: William Andrew
ISBN: 1437744702
Category : Technology & Engineering
Languages : en
Pages : 313
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Book Description
To provide an interdisciplinary readership with the necessary toolkit to work with micro- and nanofluidics, this book provides basic theory, fundamentals of microfabrication, advanced fabrication methods, device characterization methods and detailed examples of applications of nanofluidics devices and systems. Case studies describing fabrication of complex micro- and nanoscale systems help the reader gain a practical understanding of developing and fabricating such systems. The resulting work covers the fundamentals, processes and applied challenges of functional engineered nanofluidic systems for a variety of different applications, including discussions of lab-on-chip, bio-related applications and emerging technologies for energy and environmental engineering. - The fundamentals of micro- and nanofluidic systems and micro- and nanofabrication techniques provide readers from a variety of academic backgrounds with the understanding required to develop new systems and applications. - Case studies introduce and illustrate state-of-the-art applications across areas, including lab-on-chip, energy and bio-based applications. - Prakash and Yeom provide readers with an essential toolkit to take micro- and nanofluidic applications out of the research lab and into commercial and laboratory applications.
Author: Gordon Randall Lambertus
Publisher:
ISBN:
Category :
Languages : en
Pages : 514
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Book Description
Author: Daniel C. Harris
Publisher: Macmillan
ISBN: 1429218150
Category : Science
Languages : en
Pages : 892
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Book Description
QCA is the bestselling textbook of choice for analytical chemistry. It offers a modern portrait of the techniques of chemical analysis, backed by a wealth of real world applications. This edition features new coverage of spectroscopy and statistics, new pedagogy and enhanced lecturer support.
Author: Eugene F. Barry
Publisher: John Wiley & Sons
ISBN: 0470114177
Category : Science
Languages : en
Pages : 315
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Book Description
Choosing the right column is key in Gas Chromatography Gas Chromatography (GC) is the most widely used method for separating and analyzing a wide variety of organic compounds and gases. There have been many recent advancements in both packed column and capillary column GC. With numerous options and considerations, selecting the right column can be complicated. This resource provides essential guidance for scientists and technicians, including: Methods of choosing both capillary and packed columns Selection of dimensions (column length, I.D., film thickness, etc.) and type of column Guidelines for proper connections of the column to the injector and detector United States Pharmacopeia and National Formulary chromatographic methods ASTM, EPA, NIOSH, and OSHA column selection specifications Information on the advantages of computer assistance in GC and multidimensional GC Comprehensive information on column oven temperature control Columns for Gas Chromatography: Performance and Selection is a hands-on reference for scientists and technicians using GC.
