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== [[Orange Book]] Entry ==
{{Final
|acronym=
|def=Instrument that measures the ''[[m/z]]'' values and abundances of gas-phase ions.
|rel=
|ref={{obgb}}
}}


An instrument in which the beams of ions are separated (analysed) according to the mass/charge ratio and the ions are measured electrically.


== Proposed New Entry ==
<!-- Orange Book -->
{{orange|
An instrument in which the beams of ions are separated (analysed) according to the [[mass/charge ratio]] and the ions are measured electrically.
}}


The mass spectrometer is an instrument with which the chemical composition of material can be analyzed.
{{wplink|Q1327691}}


Mass spectrometers are considered to consist of three parts:
==Gallery==


1) Sample preparation & ionization:  
[[File:Agilent LC-MS.jpg|thumb|600 px|center|Agilent LC-MS system comprising 1200 Series LC and 6130 Quad MS ]]
for bringing the analyte in gas phase and in charged state


2) Mass analyzer:  
[[File:1 MV accelerator mass spectrometer.jpg|thumb|600 px|center|Accelerator mass spectrometer at Lawrence Livermore National Laboratory]]
instrument with which the physical quantity mass/charge of charged particles is measured.


3) Data system:
[[File:Alpha calutron tank.jpg|thumb|600 px|center|The "C" shaped alpha calutron tank, together with its emitters and collectors on the lower-edge door, was removed in a special "drydock" from the magnet for recovery of uranium-235. ]]
hardware and software for processing the data received from the mass analyzer.  




== External Links ==
[[Category:General]]
 
[[Category:M/z Separation]]
[http://www.asms.org/whatisms/index.html ASMS What is MS?]: [http://www.asms.org/whatisms/p4.html What is a Mass Spectrometer?]
[[Category:Orange Book term]]
{{DEFAULTSORT:Mass Spectrometer}}

Latest revision as of 17:03, 2 July 2025

IUPAC RECOMMENDATIONS 2013
Mass spectrometer
Instrument that measures the m/z values and abundances of gas-phase ions.
Related Term(s):
Reference(s):

IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979. Compiled by J. Inczdy, T. Lengyel, A. M. Ure. Blackwell Scientific Publications, Oxford (1997). On-line corrected version: http://www.iupac.org /publications/analytical compendium (2000).

IUPAC. Compendium of Chemical Terminology, 2nd ed. (the Gold Book). Compiled by A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins.

From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.

Index of Recommended Terms

 



Orange Book

ORANGE BOOK DEFINITION

IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979 (see also Orange Book 2023)

Mass spectrometer

An instrument in which the beams of ions are separated (analysed) according to the mass/charge ratio and the ions are measured electrically.

IUPAC 1997 Orange Book Chapter 12
Index of Orange Book Terms


This term has a corresponding Wikipedia article:

Mass spectrometer

Wikidata page for Mass spectrometer

Gallery

Agilent LC-MS system comprising 1200 Series LC and 6130 Quad MS
Accelerator mass spectrometer at Lawrence Livermore National Laboratory
The "C" shaped alpha calutron tank, together with its emitters and collectors on the lower-edge door, was removed in a special "drydock" from the magnet for recovery of uranium-235.
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