new chemistry question for your noses

How about sulfates? Do they tend to smell of sulfur, or not?

(This is what I get for deciding to put faerie science in my books. I have to figure out how the real science goes, then figure out how the fantasy version goes, then figure out how to describe the fantasy version, based on but maybe not identical to how I'd describe the real version. If I ever do this to myself again, somebody please kick me.)