Difference between revisions of "Resolution (mass spectrometry)"

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== Orange Book ==
 
== Orange Book ==
 
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[[Resolution: 10 Per Cent Valley Definition]]
 
[[Resolution: 10 Per Cent Valley Definition]]
  
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For a single peak made up of singly charged ions at mass m in a [[Mass Spectrum|mass spectrum]], the resolution may be expressed as m / Δm, where Δm is the width of the peak at a height which is a specified fraction of the maximum peak height. It is recommended that one of three values 50%, 5% or 0.5% should always be used. (Note that for an isolated symmetrical peak recorded with a system which is linear in the range between 5% and 10% levels of the peak, the 5% peak width definition is equivalent to the 10% valley definition. A common standard is the definition of resolution based upon Δm being Full Width of the peak at Half its Maximum (FWHM) height.
 
For a single peak made up of singly charged ions at mass m in a [[Mass Spectrum|mass spectrum]], the resolution may be expressed as m / Δm, where Δm is the width of the peak at a height which is a specified fraction of the maximum peak height. It is recommended that one of three values 50%, 5% or 0.5% should always be used. (Note that for an isolated symmetrical peak recorded with a system which is linear in the range between 5% and 10% levels of the peak, the 5% peak width definition is equivalent to the 10% valley definition. A common standard is the definition of resolution based upon Δm being Full Width of the peak at Half its Maximum (FWHM) height.
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== Price 1991 ==
 
== Price 1991 ==

Revision as of 01:01, 10 July 2009