Salt is salt. All the exotic varieties have precisely the same formula as common table salt; NaCl. They vary only with the impurities they contain and crystal size. If a salt is labelled 'iodized' it...
Pork sausages have on average 1 g salt. This goes also for Frankfurter's or Wiener sausages. Spicy dry pork sausages may have a much higher sodium content. Source: http://oto2.wustl.edu/men/sodium.htm