Significados de barium sulphate em inglês

The new Ray-X sponge, treated with barium sulphate, eliminates guess work.

From the weight of barium sulphate, calculate the percentage of sulphur (S) in the sample.

The dissolved barium sulphate, like any electrolyte, is dissociated, and the equilibrium conditions may be expressed thus:

It was just the color of barium sulphate, and had a little lace bunched at the throat.

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

From the weight of barium sulphate (BaSO_{4}) obtained, calculate the percentage of sulphur (S) in the sample.

The plain transfer paper is prepared in the same manner, leaving out the barium sulphate and the coloring matters.

The contamination of the barium sulphate by iron is much less in the presence of ferrous than ferric salts.

It should be borne in mind that the quantity of barium sulphate in this!saturated solution is a constant quantity!

Thus barium sulphate, one of the most insoluble of common substances, dissolves in water to the extent of 1 part in 400,000.

But a University of Chile laboratory study concluded that some are only 20% rubber, with the rest made up of barium sulphate, silica and lead.

A blank experiment must be done with each new lot of peroxide of hydrogen obtained, which always gives under 0.1 barium sulphate with me.

Mix, wash well the precipitate-bariumsulphate-bydecantation, and when well drained, mix to the following solution:

[Note 6: Barium sulphate requires about 400,000 parts of water for its solution.

[Note 2: The ionic changes involved in the precipitation of barium sulphate are very simple: