_Sample_component_atom_isotope.Atom_isotope_number
| Description | The mass number for the chemical element (number of protons plus number of neutrons in the nucleus). |
| Details: | |
| Parent saveframe | sample |
| Data type | int |
| DB table | Sample_component_atom_isotope |
| DB column | Atom_isotope_number |
| DB type | INTEGER |
| NULL allowed | no (mandatory) |
| part of primary key | |