Difference between revisions of "Linked scan at constant B/E"

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A linked scan at constant B/E may be performed on a [[sector mass spectrometer]] that incorporates at least one [[magnetic sector]] plus one [[electric sector]]. The [[magnetic field]] B and the [[electric field]] field E are scanned simultaneously while the accelerating voltage V is held constant, so as to maintain the ratio of the two fields constant. This linked scan may record a [[product ion spectrum]] of dissociation or other reactions occurring in a [[field free region]] preceding the two sectors.
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The term B/E linked scan is deprecated.
 
 
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This can be performed with a sector instrument incorporating at least one magnetic sector and one electric sector. The magnetic sector field strength, B, and the electric sector field strength, E, are scanned simultaneously, while holding the accelerating voltage, V, constant, so as to maintain the ratio B/E constant. This constant value is determined by the ratio of the two field strengths required to transmit main-beam ions of predetermined mass/charge ratio. These preselected main-beam ions are the precursor ions whose fragment ion spectrum is required. The term B/E linked scan is not recommended.
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This can be performed with a [[sector instrument]] incorporating at least one [[magnetic sector]] and one [[electric sector]]. The magnetic sector field strength, B, and the electric sector field strength, E, are scanned simultaneously, while holding the accelerating voltage, V, constant, so as to maintain the ratio B/E constant. This constant value is determined by the ratio of the two field strengths required to transmit main-beam ions of predetermined mass/charge ratio. These preselected main-beam ions are the precursor ions whose fragment ion spectrum is required. The term B/E linked scan is not recommended.
 
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== See also ==
 
*[[Sector mass spectrometer]]
 
*[[Field free region]]
 
*[[Product ion spectrum]]
 
  
 
[[Category:Sequential m/z Separation]]
 
[[Category:Sequential m/z Separation]]
{{DEFAULTSORT:Linked Scan At Constant B/E}}
 

Revision as of 16:43, 4 April 2014

DRAFT DEFINITION
Linked scan at constant B/E
Related Term(s):
Reference(s):

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

This is an unofficial draft definition presented for information and comment.

Recommended terms | Full list of terms

 

Orange Book

ORANGE BOOK DEFINITION

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

Linked scan at constant B/E

This can be performed with a sector instrument incorporating at least one magnetic sector and one electric sector. The magnetic sector field strength, B, and the electric sector field strength, E, are scanned simultaneously, while holding the accelerating voltage, V, constant, so as to maintain the ratio B/E constant. This constant value is determined by the ratio of the two field strengths required to transmit main-beam ions of predetermined mass/charge ratio. These preselected main-beam ions are the precursor ions whose fragment ion spectrum is required. The term B/E linked scan is not recommended.

IUPAC 1997 Orange Book Chapter 12
Index of Orange Book Terms