The formation of numerical generalized characteristics (indices) of mass spectra by using one or two experimental parameters (mass numbers and/or ion peak amplitudes) is suggested. The influence of the measuring error of peak amplitudes on the statistical characteristics of indices was studied. It w
Computer processing and interpretation of mass spectral information. VIII—ariadna system
✍ Scribed by Yu. N. Sukharev; Yu. S. Nekrasov; N. S. Molgachova; E. E. Tepfer
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 520 KB
- Volume
- 26
- Category
- Article
- ISSN
- 1076-5174
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✦ Synopsis
The structure of a laboratory system for processing and interpreting mass spectral data intended to solve a wide range of analytical problems (determination of the composition and structure of molecules, isotopic analysis, etc) and research problems (study of the structure and reactivity of ions in the gas phase) is described and its functional possibilities are discussed. The basic software of the system includes both methods for calculation of elemental compositions of ions with the use of masses and amplitudes of isotopic peaks and methods for establishing spectrakstructural correlations based on information theory and molecular graph theory.
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## Abstract The program ISOMETA which processes the low resulution mass spectra and determines the degree of labelling in the molecular and fragment ions is described. The degree of labelling for any stable isotope (D, 13C, 15N, 18O, etc.) in compounds of known molecular formulae can be estimated.
## Abstract A package of dialogue programs intended for generation of isotopic spectra from specified elemental compositions containing any number of elements is described. Structural fragments (super‐elements), once in the table, acquire the status of a separate chemical element. All operations wi