bismuth subnitrate

Another bismuth compound, bismuth subnitrate was also shown to bind with HS.

Bismuth trioxide is commercially made from bismuth subnitrate.

He was one of the first researchers to mix salts of heavy metals (including bismuth subnitrate, bismuth oxychloride, and barium sulfate) into foodstuffs in order to improve the contrast of X-ray images of the digestive tract.