code: def cleanup_a_alpha_and_derivatives(self):
          r'''Removes properties set by `setup_a_alpha_and_derivatives`; run by
          `GCEOSMIX.a_alpha_and_derivatives` after `a_alpha` is calculated for 
          every component'''
          del(self.a, self.kappa, self.kappa0, self.kappa1, self.Tcf cleanup_a_alpha_and_derivatives(self):
          r'''Removes properties set by `setup_a_alpha_and_derivatives`; run by
          `GCEOSMIX.a_alpha_and_derivatives` after `a_alpha` is calculated for 
          every component'''
          del(self.a, self.kappa, self.kappa0, self.kappa1, self.Tc)
docs: r'''Removes properties set by `setup_a_alpha_and_derivatives`; run by
          `GCEOSMIX.a_alpha_and_derivatives` after `a_alpha` is calculated for 
          every component