barium sulphate

noun

a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO 4 Also calledblanc fixe

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The described change in ionization can be roughly followed with the aid of an insoluble sulphate like barium sulphate.

In determining it, it is first converted into sulphuric acid, and then precipitated and weighed as barium sulphate.

Moreover, the use of hot concentrated hydrochloric acid causes a loss by dissolving barium sulphate.

Wash the precipitate, ignite, and weigh as barium sulphate (see Sulphur).

Should a house painted with a mixture of linseed oil, lead oxid, and barium sulphate go to buildings or coating compositions?

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