This tool allows to find possible molecular formula based on a molecular formula range.
Any atom can be specified from the "Atom range selector" table.
In order to assist in the selection of the elements, the following information are displayed for each element
- Nb iso: the number of isotopes
- iso 5%: number of isotopes with over 5% abundance
- % Δ-3: relative abundance of the isotope at a distance of -3Da compare to the more abundant isotope
- % Δ-2: relative abundance of the isotope at a distance of -2Da compare to the more abundant isotope
- % Δ-1: relative abundance of the isotope at a distance of -1Da compare to the more abundant isotope
- % Δ1: relative abundance of the isotope at a distance of 1Da compare to the more abundant isotope
- % Δ2: relative abundance of the isotope at a distance of 2Da compare to the more abundant isotope
- % Δ3: relative abundance of the isotope at a distance of 3Da compare to the more abundant isotope
- Min: Minimal number of this atom in the proposed molecular formula
- Max: Maximal number of this atom in the proposed molecular formula
- Many: Many of the selected elements may be present at the same time
- One: Only one of those selected element may be present
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