Spectral axis transform

Details Spectral axis transform Spectral axis transform

2006-04-04

2006-04-04

Wells, Nikita (Department: 2881)

Radiant energy

Ionic separation or analysis

C250S282000, C702S023000, C702S027000, C435S091500, C435S091500

Reexamination Certificate

active

07022980

ABSTRACT:
The invention relates to reference libraries of composite spectra that consolidate, into a single searchable data set, multiple independent spectra taken of a chemical compound under multiple conditions, generally on a single instrument. The reference libraries may be used, for example, to increase the analytical power of mass spectrometers such as API-CID mass spectrometers. The multiple independent spectra are converted into a composite spectrum by performing a number of steps. First, units on the x-axis of at least one, and generally all but one, of the independent spectra are renumbered so that the numerical range of the x-axes of the spectra do not perfectly overlap. Second, the x-axes of the independent spectra are aligned on a composite x-axis. Methods and programs for making and using the reference libraries and devices containing the reference libraries are also disclosed.

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