spectrum, minimum parent m+h
The value for this parameter is a positive floating point number Mmin > 0.
This parameter is used to supress the analysis of spectra that were generated by low mass parent ions. Depending on the instrumentation and excitation energy used to generate fragment ions, there will be some low mass cutoff value, below which there is very little chance of generating an interpretable MS/MS spectrum. In many experimental conditions, there will also be noise peaks in the parent ion spectrum, generated by the ion source and chemical noise. The value selected for Mmin is used to reject these spectra.
see also: spectrum, dynamic range | spectrum, minimum fragment mz
spectrum, minimum peaks | spectrum, use noise suppression
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