Nope. It does not work for cesium and most 'stuff' from a nuke explosion.
Dirty Bomb is just uranium or other stuff, I doubt we will see a plutonium bomb
Wrong again. The dirty bomb consists of radioactive fission fragments left over AFTER uranium fission.
That's the opposite of what I was told.
I do not remember what components of the by-product of a fusion explosion occur, but the Pot Iod is somewhat effective for the majority of the radioactive by products, and it is USELESS against simple uranium by pruducts and their effects on the body from a conventional explosion.
To me, all of them are chemicals.