Nier-Johnson geometry: Difference between revisions

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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.
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 ==
{{orange|
 
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]]
*[[Double-focusing mass spectrometer]]
 
*[[Forward geometry]]
*[[Forward Geometry]]
*[[Reverse geometry]]
 
*[[Electric sector]]
*[[Reverse Geometry]]
*[[Magnetic sector]]
 
*[[Electric Sector]]
 
*[[Magnetic Sector]]
 
== External Links ==


== External links ==
*[[Wikipedia:Alfred O. C. Nier]]
*[[Wikipedia:Alfred O. C. Nier]]


[[Category:M/z Separation]]
[[Category:M/z Separation]]
[[Category:Orange book term]]
{{DEFAULTSORT:Nier-Johnson Geometry}}

Revision as of 12:49, 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 (see also Orange Book 2023)

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