Mon February 28, 2011 By: Vipul Kaushik

Barium is toxic metal but barium sulphate is used in X-rays?Why?

Expert Reply
Tue March 01, 2011
Dear Student,
Barium sulphate is the least toxic salt of barium as it is insoluble in different solvents including water. It is one of the most insoluble salts of sulphate. barium sulphate  absorb X-rays more strongly because of its igh molecular weight.
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