@ Override public boolean contains ( IIsotope isotope ) { for ( Iterator < IIsotope > it = isotopes ( ) . iterator ( ) ; it . hasNext ( ) ; ) { IIsotope thisIsotope = it . next ( ) ; if ( isTheSame ( thisIsotope , isotope ) ) { return true ; } } return false ; }
True if the AdductFormula contains the given IIsotope object and not the instance . The method looks for other isotopes which has the same symbol natural abundance and exact mass .