Barium sulphate is not resorbed. It is secreted in its unchanged state.

 

Dentists use barium sulfate as an adhesive gel. Due to its high impermeability to X-radiation, BaSO4 is used, in addition, as a contrast agent with high X-ray absorption. Mostly, barium sulfate is used in the form of hardly soluble suspensions. The particles are not resorbed. When used as a contrast agent visualizing the intestinal tract, barium sulfate is excreted in its unchanged form as “white stool” [1].

 

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  1. DocCheck Flexikon (DE) : Bariumsulfat (last access date: Dec 2010).

 

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