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  1. chem.libretexts.org › Bookshelves › AnalyticalHow the Mass Spectrometer Works - Chemistry LibreTexts

    Aug 29, 2023 · Mass spectrometers always work with positive ions. Stage 2: Acceleration: The ions are accelerated so that they all have the same kinetic energy. Stage 3: Deflection: The ions are then deflected by a magnetic field according to their masses. The lighter they are, the more they are deflected.

  2. www.explainthatstuff.com › how-mass-spectrometersHow do mass spectrometers work? - Explain that Stuff

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    Mass Spectrometryby by James McCullagh and Neil Oldham. Oxford, 2019. Perhaps the best place to go next: a well-digested, comprehensive, illustrated introduction in about 200 pages.
    Mass Spectrometry: A Textbookby Jürgen Gross. Springer, 2017. A fully illustrated reference covering the chemistry and theory of mass spectrometry more than the applications.
    Mass Spectrometry Handbookby Mike Lee (editor). Wiley, 2012. This 1000-page academic reference has sections covering the use of mass spectrometry in biotechnology, pharmaceuticals, space research,...
    Mass Spectrometry: Principles and Applications(Third Edition) by Edmond de Hoffmann and Vincent Stroobant. Wiley, 2013. Aimed at a similar (undergraduate) audience to the one above, this book has e...

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    This small selection covers recent advances in mass spectrometer technology and the sorts of things they can be used for in everyday life: 1. Handheld Mass-Spectrometry Pen Identifies Cancer in Seconds During Surgeryby Emily Waltz. IEEE Spectrum, September 6, 2017. A new, handheld mass spectrometry detector offers a much faster test for cancer. 2. ...

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    If you're looking for a detailed technical description of how mass spectrometers work, patents are a really good place to start. Here are a few I've picked out from Google Patents: 1. US Patent #5,581,080: Method for determining molecular weight using multiply charged ionsby John Fenn et al, Yale University, December 3, 1996. Fenn's electrospray io...

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  4. www.idtdna.com › pages › educationWhat Is Mass Spectrometry and How Does It Work? | IDT

    Jan 23, 2024 · There are four main stages of mass spectrometry: Ionization: Atoms are ionized by knocking one or more electrons off to give positive ions by being flooded with a stream of electrons. Acceleration: Ions are accelerated to all have the same kinetic energy. Deflection: Ions are deflected by a magnetic field based on the differences in their mass ...

  5. www.chemguide.uk › analysis › masspecthe mass spectrometer - how it works - chemguide

    Stage 1: Ionisation. The atom or molecule is ionised by knocking one or more electrons off to give a positive ion. This is true even for things which you would normally expect to form negative ions (chlorine, for example) or never form ions at all (argon, for example). Most mass spectrometers work with positive ions.

  6. chemistrymadesimple.net › episode › 5How Does A Mass Spectrometer Work? | Chemistry Made Simple

    Feb 16, 2021 · A sample is introduced into the instrument and submitted to processes that create ions, before directing the ions at a detector. Mass Spectrometry Units. As you would expect from its’ name, the mass spectrometer measures the mass of ions. The processing of the data is designed so that the output shows mass in atomic mass units (amu).

  7. en.wikipedia.org › wiki › Mass_spectrometryMass spectrometry - Wikipedia

    Mass spectrometry data analysis is specific to the type of experiment producing the data. General subdivisions of data are fundamental to understanding any data. Many mass spectrometers work in either negative ion mode or positive ion mode. It is very important to know whether the observed ions are negatively or positively charged.

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  9. science.howstuffworks.com › mass-spectrometry2Getting Ions Up to Speed: Understanding Mass Spectrometry ...

    Either way, this first step of mass spectrometry produces positive ions. Next, the positive ions must move out of the ionization chamber. The force required to move them comes from an electric field supplied by two metal grids.­ One grid is positively charged and repels the ions; the other is negatively charged and attracts them.