Difference between revisions of "Nier-Johnson geometry"

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Arrangement for a [[Double-focusing Mass Spectrometer|double-focusing mass spectrometer]] in which a deflection of /2 radians in a radial [[electric field]] analyzer is followed by a [[Magnetic Deflection|magnetic deflection]] of /3 radians.
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Arrangement for a [[double-focusing mass spectrometer]] in which a deflection of π/2 radians in a radial [[electric field]] analyzer is followed by a [[magnetic deflection]] of π/3 radians.
 
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== Orange Book entry ==
== [[Orange Book]] Entry ==
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{{orange|
 
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An arrangement for a [[Double-focusing Mass Spectrometer|double-focusing mass spectrometer]] in which a deflection of π/2 radians in a radial electrostatic field analyser is followed by a [[magnetic deflection]] of π/3 radians. The [[electrostatic analyser]] uses a symmetrical object-image arrangement and the magnetic analyser is used asymmetrically.
An arrangement for a [[Double-focusing Mass Spectrometer|double-focusing mass spectrometer]] in which a deflection of /2 radians in a radial electrostatic field analyser is followed by a [[Magnetic Deflection|magnetic deflection]] of /3 radians. The [[Electric Sector|electrostatic analyser]] uses a symmetrical object-image arrangement and the magnetic analyser is used asymmetrically.
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== Related Terms ==
 
== Related Terms ==
  
*[[Double-focusing Mass Spectrometer]]
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*[[Double-focusing mass spectrometer]]
 
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*[[Forward geometry]]
*[[Forward Geometry]]
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*[[Reverse geometry]]
 
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*[[Electric sector]]
*[[Reverse Geometry]]
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*[[Magnetic sector]]
 
 
*[[Electric Sector]]
 
 
 
*[[Magnetic Sector]]
 
 
 
== External Links ==
 
  
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== External links ==
 
*[[Wikipedia:Alfred O. C. Nier]]
 
*[[Wikipedia:Alfred O. C. Nier]]
  
 
[[Category:M/z Separation]]
 
[[Category:M/z Separation]]
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[[Category:Orange book term]]
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{{DEFAULTSORT:Nier-Johnson Geometry}}

Revision as of 16:49, 12 July 2009

Obsolete Template

Orange Book entry

Orange Book

ORANGE BOOK DEFINITION

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

Nier-Johnson geometry

An arrangement for a double-focusing mass spectrometer in which a deflection of π/2 radians in a radial electrostatic field analyser is followed by a magnetic deflection of π/3 radians. The electrostatic analyser uses a symmetrical object-image arrangement and the magnetic analyser is used asymmetrically.

IUPAC 1997 Orange Book Chapter 12
Index of Orange Book Terms


Related Terms

External links