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mass spectrometers

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Image
Published: 01 January 1986
Fig. 8 Block diagram of a mass spectrometer/mass spectrometer system. More
Image
Published: 15 May 2022
Fig. 65 Time-of-flight secondary ion mass spectrometer/mass spectrometer spectrum of polyethylene terephthalate sample. Courtesy of Physical Electronics Inc., Chanhassen, MN More
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Published: 15 May 2022
Fig. 64 Schematic diagram of time-of-flight secondary ion mass spectrometer/mass spectrometer (MS/MS). ESA, electrostatic analyzer; CID, collision-induced dissociation; SED, secondary electron detector; GCIB, gas cluster ion beam; FIB, focused ion beam; LMIG, liquid metal ion gun. Courtesy More
Image
Published: 01 January 1986
Fig. 1 Typical spark source mass spectrometer. More
Image
Published: 01 January 1986
Fig. 3 Schematic of a gas mass spectrometer. Ion source components: A, trap; B, repeller; C, ionization chamber; D, filament; E, extractor; F, Y lens; G, earth plate; H, Z lens; I, source slit; J, Einzel lens; K, magnet More
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Published: 15 December 2019
Fig. 1 Schematic of triple quadrupole mass spectrometer More
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Published: 15 December 2019
Fig. 2 Schematics of time-of-flight mass spectrometer with (a) linear flight path and (b) reflected flight path, also called a reflectron More
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Published: 15 December 2019
Fig. 1 Schematic of common instrument functions for a gas mass spectrometer More
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Published: 15 December 2019
Fig. 3 Schematic of a quadrupole mass spectrometer with four parallel rods More
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Published: 15 December 2019
Fig. 4 Schematic of a double-focusing-sector mass spectrometer More
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Published: 15 December 2019
Fig. 5 Positive ion measurements from a quadrupole mass spectrometer illustrate the variety of transported species in ambient air. m/z , mass-to-charge ratio. Source: Ref 4 More
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006651
EISBN: 978-1-62708-213-6
... of the general principles of MS. This is followed by sections providing a basic understanding of instrumentation and discussing the operating requirements as well as practical considerations related to solid sample analysis by MS. Instrumentation discussed include the triple quadrupole mass spectrometer...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001738
EISBN: 978-1-62708-178-8
... and to determine the type of instrument necessary for a particular application. It discusses the working operations of gas mass spectrometer components, namely, the introduction system, ion sources, mass analyzers, and the ion detector. The article also provides information on resolution of a gas mass spectrometer...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001772
EISBN: 978-1-62708-178-8
... be analyzed chemically by coupling to the microscope a time-of-flight mass spectrometer of single-particle sensitivity, known as the atom probe (AP). This article describes the principles, sample preparation, and quantitative analysis of FIM. It also provides information on the principles, instrument design...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003229
EISBN: 978-1-62708-199-3
... through acoustic method and bubble testing. The article gives a short note on types of leak detectors, sulfur hexafluoride detectors and mass-spectrometer. It tabulates the pressure and vacuum system leak-testing methods and discusses the application of gas detectors in leak testing. acoustic method...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001776
EISBN: 978-1-62708-178-8
... chromatography mass spectrometers mass spectrometry polymer pyrolysis Overview Introduction The gas chromatograph/mass spectrometer is the coupling of two analytical instruments, the gas chromatograph and the mass spectrometer; it is particularly useful in analyzing mixtures of organic compounds...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006663
EISBN: 978-1-62708-213-6
... of gas analysis instrumentation and terminology so informed decisions can be made in choosing an instrument and methodology appropriate for the data needed. General Principles Every gas mass spectrometer requires the same common functions to perform an analysis: sample introduction, ionization...
Image
Published: 15 December 2019
Fig. 5 Schematic of a temperature-programmed desorption system consisting of a vacuum chamber and pumping system capable of achieving base pressures of approximately 10 −6 Pa (7.5 × 10 −9 torr). QMS, quadrupole mass spectrometer; AES, Auger electron spectrometer More
Image
Published: 15 December 2019
Fig. 13 General structure of modern inductively coupled plasma (ICP) mass spectrometry system consisting of (from left to right): a sample-introduction system, an ion source with a radio-frequency (RF) supply, the mass spectrometer equipped with a quadrupole mass filter, and a computer system More
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006664
EISBN: 978-1-62708-213-6
..., “Gas Chromatography,” discusses GC fundamentals as well as common GC detectors: the flame ionization detector, thermal conductivity cell detector, electron capture detector, and sulfur chemiluminescence detector. The mass spectrometer is another common GC detector and requires a detailed article...