base peak

(redirected from base peak in a mass spectrum)
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base peak

[′bās ‚pēk]
(spectroscopy)
The tallest peak in a mass spectrum; it is assigned a relative intensity value of 100, and lesser peaks are reported as a percentage of it.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.