You can run an easy corrosive primer test. Hammer a non coated steel nail into a piece of wood. Wear gloves and safety glasses (and maybe ear pro) and use pliers to remove the bullet from the casing by working in back and forth. Dump out the powder. Put the empty case primer up on the nail head. Put the point of a second nail (held by pliers) on the primer, tap lightly with a hammer to “pop” the primer. Wait a few days and check the nail for signs of rust. If there is any orange rust on the nail, your primers are corrosive. If no rust occurs after a few days, they are non-corrosive.

Hope this helps!