No gloves or goggles necessary. Paint on let When I was in the Navy we used Nevr-Dull [linked by editor to product info at Amazon] and bug juice kool aid usually yellow or orange color due to the color.
Antique Brass Copper Fire Extinguisher
It worked well for navy copper and brass. Will it work, or will I not be able to neutralize all the acid? You could just leave it be for a few months. Good luck with it.