Group 2: Alkaline earth metals
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Hi, I have to plan an experiment to determine how a barium meal test will help to locate and diagnosis a stomach ulcer. Since barium compounds are poisonous, could it be used safely in the body?
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Corrie writes .....
You are correct, barium compounds are toxic, but the compound used for a barium meal, barium sulphate, is so insoluble (about 10-6 mol/100 g water) that it can safely be ingested during this medical procedure.
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updated: 21 February 2008
