Development And Performance Of A Miniature Low Cost Mass Spectrometer

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Development and Performance of a Miniature, Low Cost Mass Spectrometer

Author : Brian David Thomson Hemond
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (763 download)

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Book Synopsis Development and Performance of a Miniature, Low Cost Mass Spectrometer by : Brian David Thomson Hemond

Download or read book Development and Performance of a Miniature, Low Cost Mass Spectrometer written by Brian David Thomson Hemond and published by . This book was released on 2011 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: A miniature, low cost mass spectrometer has been developed that is capable of unit resolution over a mass range of 10 to 50 AMU. The design of the mass spectrometer incorporates several new features that enhance the performance of the design over comparable instruments. An efficient ion source allows a relatively low power consumption without sacrificing resolution. Variable geometry mechanical filters allow for variable resolution. An onboard ion pump removes the need for an external pumping source. An onboard digital controller allows a large degree of flexibility over the operation of the mass spectrometer while eliminating the need for high voltage electrical feedthroughs. The miniature mass spectrometer is sensitive to fractions of a percentage of inlet gas, and formatted mass spectra are returned digitally to a laptop.

Miniature Mass Spectrometry

Author : James D. Fox
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (897 download)

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Book Synopsis Miniature Mass Spectrometry by : James D. Fox

Download or read book Miniature Mass Spectrometry written by James D. Fox and published by . This book was released on 2013 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ambient Ionization Mass Spectrometry

Author : Marek Domin
Publisher : Royal Society of Chemistry
ISBN 13 : 1849739269
Total Pages : 528 pages
Book Rating : 4.8/5 (497 download)

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Book Synopsis Ambient Ionization Mass Spectrometry by : Marek Domin

Download or read book Ambient Ionization Mass Spectrometry written by Marek Domin and published by Royal Society of Chemistry. This book was released on 2014-11-25 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ambient ionization has emerged as one of the hottest and fastest growing topics in mass spectrometry enabling sample analysis with minimal sample preparation. Introducing the subject and explaining the basic concepts and terminology, this book will provide a comprehensive, unique treatise devoted to the subject. Written by acknowledged experts, there are full descriptions on how new ionization techniques work, with an overview of their strengths, weaknesses and applications. This title will bring the reader right up to date, with both applications and theory, and will be suitable as a tutorial text for those starting in the field from a variety of disciplines.

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Studies on Reducing the Scale of a Double Focusing Mass Spectrometer

Author :
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (682 download)

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Book Synopsis Studies on Reducing the Scale of a Double Focusing Mass Spectrometer by :

Download or read book Studies on Reducing the Scale of a Double Focusing Mass Spectrometer written by and published by . This book was released on 1993 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several groups have developed miniaturized sector mass spectrometers with the goal of remote sensing in confined spaces or portability. However, these achievements have been overshadowed by more successful development of man-portable quadrupole and ion trap mass spectrometers. Despite these accomplishments the development of a reduced-scale sector mass spectrometer remains attractive as a potentially low-cost, robust instrument requiring very simple electronics and low power. Previous studies on miniaturizing sector instruments include the use of a Mattauch-Herzog design for a portable mass spectrograph weighing less than 10 kg. Other work has included the use of a Nier-Johnson design in spacecraft-mountable gas chromatography mass spectrometers for the Viking spacecraft as well as miniature sector-based MS/MS instrument. Although theory for designing an optimized system with high resolution and mass accuracy is well understood, such specifications have not yet been achieved in a miniaturized instrument. To proceed further toward the development of a miniaturized sector mass spectrometer, experiments were conducted to understand and optimize a practical, yet nonideal instrument configuration. The sector mass spectrometer studied in this work is similar to the ones developed for the Viking project, but was further modified to be low cost, simple and robust. Characteristics of this instrument that highlight its simplicity include the use of a modified Varian leak detector ion source, source ion optics that use one extraction voltage, and an unshunted fixed nonhomogeneous magnetic sector. The effects of these design simplifications on ion trajectory were studied by manipulating the ion beam along with the magnetic sector position. This latter feature served as an aid to study ion focusing amidst fringing fields as well as nonhomogeneous forces and permitted empirical realignment of the instrument.

Miniaturization and Mass Spectrometry

Author : Séverine Le Gac
Publisher : Royal Society of Chemistry
ISBN 13 : 085404129X
Total Pages : 333 pages
Book Rating : 4.8/5 (54 download)

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Book Synopsis Miniaturization and Mass Spectrometry by : Séverine Le Gac

Download or read book Miniaturization and Mass Spectrometry written by Séverine Le Gac and published by Royal Society of Chemistry. This book was released on 2009 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focussing on mass spectrometry, this book illustrates how microfluidics and lab-on-a-chip devices satisfy the need for miniaturized, enhanced chemical analysis.

Miniature Mass Spectrometers for Upper Atmosphere Composition Measurements

Author : A. D. Bailey
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Miniature Mass Spectrometers for Upper Atmosphere Composition Measurements by : A. D. Bailey

Download or read book Miniature Mass Spectrometers for Upper Atmosphere Composition Measurements written by A. D. Bailey and published by . This book was released on 1966 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A basic quadrupole mass spectrometer system for neutral and ionized gaseous composition measurements of the upper atmosphere is described. Emphasis is placed on the electronic circuits used with a particular miniature quadrupole rod assembly and ionizer. Circuits described include the power converter, scan waveform generator, dc and rf excitation generators, logarithmic output current amplifier, ion source filament emission regulator and signal-conditioning circuits for telemetering. A summary of performance specifications and critical design dimensions is included. (Author).

Mass Spectrometry

Author : R. Brymner
Publisher : Butterworth-Heinemann
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (25 download)

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Book Synopsis Mass Spectrometry by : R. Brymner

Download or read book Mass Spectrometry written by R. Brymner and published by Butterworth-Heinemann. This book was released on 1968 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: SESSION 1- DESIGN ASPECTS - 1.1 Single Focusing Magnetic Deflection Mass Spectrometers - 1.2 The Design of Double Focusing Magnetic Deflection Instruments - 1.3 A New Cycloidal Mass Spectrometer - 1.4 A Time of Flight Mass Spectrometer - 1.5 Recent Developments in the Quadrupole Mass Filter - SESSION 2 - PHYSICAL AND CHROMATOGRAPHIC APPLICATIONS - 2.1 A Fast-scan Mass Spectrometer for Residual Gas Analysis and the Examination of Effluents from Gas Chromatography Columns - 2.2 Flavour Research with a Low Cost Fast-scan Mass Spectrometer - 2.3 A Gas Chromatograph-Mass Spectrometer Linkup Recent Developments - 2.4 A Small 1800 Deflection Partial Pressure-Total Pressure Gauge for Vacuum System Diagnosis - 2.5 A Cycloidal Mass Spectrometer Applied to the Measurement of the Speed of Sputter Ion Pumps - 2.6 The Sorption of Gases by Thin Films - SESSION 3 - CHEMICAL APPLICATIONS I - 3.1 The Use of a Quadrupole Mass Filter in the Study of a Reacting Surface - 3.2 Mass-spectrometric Investigation of the Formation of Di-imide by the Catalytic Decomposition of Hydrazine at Low Pressures on Platinum - 3.3 Rearrangement Processes in the Fragmentation of Organic Ions - 3.4 A Novel Ion in the Mass Spectra of Arylureas and Related Compounds - 3.5 Mass Spectra of Some Substituted Cyclotetrazenoboranes - 3.6 The Decomposition of 9,1O-Diphenylanthracene Under Electron Impact - SESSION 4 - CHEMICAL APPLICATIONS II - 4.1 Use of Multiplet Peaks in the Examination of High Molecular Weight Petroleum Fractions - 4.2 Inorganic Analysis of Spark Source Mass Spectrometry - 4.3 An Examination of Metal Chelates by Mass Spectrometry - 4.4 Data Handling and Instrumentation in the A.W.R.E. Mass Spectrometers - SYMPOSIUM IMPRESSIONS - INDEX

Miniature Ion Optics Towards a Micro Mass Spectrometer

Author : Ashish Chaudhary
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Miniature Ion Optics Towards a Micro Mass Spectrometer by : Ashish Chaudhary

Download or read book Miniature Ion Optics Towards a Micro Mass Spectrometer written by Ashish Chaudhary and published by . This book was released on 2014 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: This PhD dissertation reports the development of miniature ion optics components of a mass spectrometer (MS) with the ultimate goal to lay the foundation for a compact low-power micromachined MS (MS) for broad-range chemical analysis. Miniaturization of two specific components a) RF ion traps and b) an ion funnel have been investigated and miniature low-power versions of these components have been developed and demonstrated successfully in lab experiments. Power savings, simpler electronics and packaging schemes required to operate the micro-scale RF cylindrical ion traps have been the key motivation driving this research. Microfabricated cylindrical ion traps (CITs) and arrays in silicon, silicon-on-insulator and stainless steel substrates have been demonstrated and average power of as low as 55 mW for a low mass range (28 to 136 amu) and mass spectra with better than a unit-mass-resolution have been recorded. For the ion funnel miniaturization effort, simple assembly, small form factor and ease of integration have been emphasized. A simplification of the conventional 3D ion funnel design, called the planar ion funnel, has been developed in a single plate and has been tested to demonstrate ion funneling at medium vacuum levels (1E-5 Torr) using DC voltages and power less than 0.5 W. Miniaturization of these components also enables use of other novel ion optics components, packaging and integration, which will allow a new class of MS architectures amenable for radical miniaturization.

Gas Sensors

Author : Ankur Gupta
Publisher : CRC Press
ISBN 13 : 1000782506
Total Pages : 339 pages
Book Rating : 4.0/5 (7 download)

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Book Synopsis Gas Sensors by : Ankur Gupta

Download or read book Gas Sensors written by Ankur Gupta and published by CRC Press. This book was released on 2022-11-28 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the whole range of gas sensing aspects starting from basics, synthesis, processing, characterization, and application developments. All sub-topics within the domain of gas sensors such as active materials, novel nanomaterials, working mechanisms, fabrication techniques, computational approach, and development of microsensors, and latest advancements such as the Internet of Things (IoT) in gas sensors, and nanogenerators, are explained as well. Related manufacturing sections and proposed direction of future research are also reviewed. Features: Covers detailed state-of-the-art specific chemiresistive sensing materials. Presents novel nanomaterial platforms and concepts for resistive gas sensing. Reviews pertinent aspects of smart sensors and IoT sensing. Explains nanotechnology-enabled experimental findings, and future directions of smart gas sensing technology. Explores implication of latest advancements such as IoT in gas sensors, and nanogenerators. This book is aimed at academic researchers and professionals in sensors and actuators, nanotechnology, and materials science.

Identification and Quantitative Measurements of Chemical Species by Mass Spectrometry

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720576570
Total Pages : 86 pages
Book Rating : 4.5/5 (765 download)

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Book Synopsis Identification and Quantitative Measurements of Chemical Species by Mass Spectrometry by : National Aeronautics and Space Administration (NASA)

Download or read book Identification and Quantitative Measurements of Chemical Species by Mass Spectrometry written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of a miniature gas chromatograph/mass spectrometer system for the measurement of chemical species of interest to combustion is described. The completed system is a fully-contained, automated instrument consisting of a sampling inlet, a small-scale gas chromatograph, a miniature, quadrupole mass spectrometer, vacuum pumps, and software. A pair of computer-driven valves controls the gas sampling and introduction to the chromatographic column. The column has a stainless steel exterior and a silica interior, and contains an adsorbent of that is used to separate organic species. The detection system is based on a quadrupole mass spectrometer consisting of a micropole array, electrometer, and a computer interface. The vacuum system has two miniature pumps to maintain the low pressure needed for the mass spectrometer. A laptop computer uses custom software to control the entire system and collect the data. In a laboratory demonstration, the system separated calibration mixtures containing 1000 ppm of alkanes and alkenes.Zondlo, Mark A. and Bomse, David S.Glenn Research CenterMASS SPECTROMETERS; GAS CHROMATOGRAPHY; QUADRUPOLES; ALKENES; SILICON DIOXIDE; ELECTROMETERS; DETECTION; ALKANES; VACUUM PUMPS; MINIATURIZATION; LABORATORY EQUIPMENT

Miniaturization in Sample Preparation

Author : Francisco Pena Pereira
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110427265
Total Pages : 411 pages
Book Rating : 4.1/5 (14 download)

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Book Synopsis Miniaturization in Sample Preparation by : Francisco Pena Pereira

Download or read book Miniaturization in Sample Preparation written by Francisco Pena Pereira and published by Walter de Gruyter GmbH & Co KG. This book was released on 2014-01-01 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: Miniaturization is a challenge thrown down to analytical chemistry. The replacement of conventional analytical systems by miniaturized alternatives during the last years is noticeable. Specifically, the miniaturization of traditional sample preparation techniques (e.g., solid-phase extraction or solvent extraction) led to the development of environmentally benign analytical methods. This book aims to provide an overview of the challenges and achievements inthe application of the miniaturized sample preparation methods in analytical laboratories. It includes both theoretical and practical aspects of miniaturized sample preparation approaches and hence should be of interest to researchers, students and teachers of analytical and bioanalytical chemistry, environmental sciences and environmental engineering.

Advances in Mass Spectrometry

Author :
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.7/5 (74 download)

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Book Synopsis Advances in Mass Spectrometry by :

Download or read book Advances in Mass Spectrometry written by and published by . This book was released on 2007 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Design, Building, and Applications of a High-performance Time-of-flight-based Miniature Mass Spectrometer

Author : 張可耕
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis Design, Building, and Applications of a High-performance Time-of-flight-based Miniature Mass Spectrometer by : 張可耕

Download or read book Design, Building, and Applications of a High-performance Time-of-flight-based Miniature Mass Spectrometer written by 張可耕 and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Biological and Medical Sensor Technologies

Author : Krzysztof Iniewski
Publisher : CRC Press
ISBN 13 : 1466552573
Total Pages : 412 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Biological and Medical Sensor Technologies by : Krzysztof Iniewski

Download or read book Biological and Medical Sensor Technologies written by Krzysztof Iniewski and published by CRC Press. This book was released on 2017-12-19 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological and Medical Sensor Technologies presents contributions from top experts who explore the development and implementation of sensors for various applications used in medicine and biology. Edited by a pioneer in the area of advanced semiconductor materials, the book is divided into two sections. The first part covers sensors for biological applications. Topics include: Advanced sensing and communication in the biological world DNA-derivative architectures for long-wavelength bio-sensing Label-free silicon photonics Quartz crystal microbalance-based biosensors Lab-on-chip technologies for cell-sensing applications Enzyme biosensors Future directions for breath sensors Solid-state gas sensors for clinical diagnosis The second part of the book deals with sensors for medical applications. This section addresses: Bio-sensing and human behavior measurements Sweat rate wearable sensors Various aspects of medical imaging The future of medical imaging Spatial and spectral resolution aspects of semiconductor detectors in medical imaging CMOS SSPM detectors CdTe detectors and their applications to gamma-ray imaging Positron emission tomography (PET) Composed of contributions from some of the world’s foremost experts in their respective fields, this book covers a wide range of subjects. It explores everything from sensors and communication systems found in nature to the latest advances in manmade sensors. The end result is a useful collection of stimulating insights into the many exciting applications of sensor technologies in everyday life.

Mass Spectrometry

Author : R A W Johnstone
Publisher : Royal Society of Chemistry
ISBN 13 : 1847556639
Total Pages : 370 pages
Book Rating : 4.8/5 (475 download)

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Book Synopsis Mass Spectrometry by : R A W Johnstone

Download or read book Mass Spectrometry written by R A W Johnstone and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Specialist Periodical Reports provide systematic and detailed review coverage of progress in the major areas of chemical research. Written by experts in their specialist fields the series creates a unique service for the active research chemist, supplying regular critical in-depth accounts of progress in particular areas of chemistry. For over 80 years the Royal Society of Chemistry and its predecessor, the Chemical Society, have been publishing reports charting developments in chemistry, which originally took the form of Annual Reports. However, by 1967 the whole spectrum of chemistry could no longer be contained within one volume and the series Specialist Periodical Reports was born. The Annual Reports themselves still existed but were divided into two, and subsequently three, volumes covering Inorganic, Organic and Physical Chemistry. For more general coverage of the highlights in chemistry they remain a 'must'. Since that time the SPR series has altered according to the fluctuating degree of activity in various fields of chemistry. Some titles have remained unchanged, while others have altered their emphasis along with their titles; some have been combined under a new name whereas others have had to be discontinued. The current list of Specialist Periodical Reports can be seen on the inside flap of this volume.

Portable Spectroscopy and Spectrometry, Applications

Author : Richard A. Crocombe
Publisher : John Wiley & Sons
ISBN 13 : 1119636434
Total Pages : 608 pages
Book Rating : 4.1/5 (196 download)

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Book Synopsis Portable Spectroscopy and Spectrometry, Applications by : Richard A. Crocombe

Download or read book Portable Spectroscopy and Spectrometry, Applications written by Richard A. Crocombe and published by John Wiley & Sons. This book was released on 2021-04-28 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most comprehensive resource available on the many applications of portable spectrometers, including material not found in any other published work Portable Spectroscopy and Spectrometry: Volume Two is an authoritative and up-to-date compendium of the diverse applications for portable spectrometers across numerous disciplines. Whereas Volume One focuses on the specific technologies of the portable spectrometers themselves, Volume Two explores the use of portable instruments in wide range of fields, including pharmaceutical development, clinical research, food analysis, forensic science, geology, astrobiology, cultural heritage and archaeology. Volume Two features contributions by a multidisciplinary team of experts with hands-on experience using portable instruments in their respective areas of expertise. Organized both by instrumentation type and by scientific or technical discipline, 21 detailed chapters cover various applications of portable ion mobility spectrometry (IMS), infrared and near-infrared (NIR) spectroscopy, Raman and x-ray fluorescence (XRF) spectroscopy, smartphone spectroscopy, and many others. Filling a significant gap in literature on the subject, the second volume of Portable Spectroscopy and Spectrometry: Features a significant amount of content published for the first time, or not available in existing literature Brings together work by authors with assorted backgrounds and fields of study Discusses the central role of applications in portable instrument development Covers the algorithms, calibrations, and libraries that are of critical importance to successful applications of portable instruments Includes chapters on portable spectroscopy applications in areas such as the military, agriculture and feed, hazardous materials (HazMat), art conservation, and environmental science Portable Spectroscopy and Spectrometry: Volume Two is an indispensable resource for developers of portable instruments in universities, research institutes, instrument companies, civilian and government purchasers, trainers, operators of portable instruments, and educators and students in portable spectroscopy courses.