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: BaSO4 Also called blanc fixe
Historical Examples
barium sulphate occurs in nature in the form of heavy white crystals.
An Elementary Study of Chemistry William McPherson
What weight of barium sulphate will be formed at the same time?
An Elementary Study of Chemistry William McPherson
Sulphates are estimated by precipitation as barium sulphate and calculated to Na2SO4.
The Handbook of Soap Manufacture W. H. Simmons
Sulphates, estimated as barium sulphate, and calculated to K2SO4.
The Handbook of Soap Manufacture W. H. Simmons
barium sulphate is a white substance insoluble in water and in acids, and is the source of most of the barium compounds.
The New Gresham Encyclopedia. Vol. 1 Part 3 Various
Baryta forms white crystalline salts with acids, which are all poisonous with the exception of barium sulphate.
The New Gresham Encyclopedia. Vol. 1 Part 3 Various
When the saturation is complete the barium sulphate is allowed to deposit on a filter.
Cooley’s Practical Receipts, Volume II Arnold Cooley
The described change in ionization can be roughly followed with the aid of an insoluble sulphate like barium sulphate.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. Julius Stieglitz
In determining it, it is first converted into sulphuric acid, and then precipitated and weighed as barium sulphate.
A Textbook of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer and John Jacob Beringer
A white is sometimes prepared for process work from barium sulphate.
Illumination and its Development in the Present Day Sidney Farnsworth
Read Also:
- Barium thiosulfate
a white, crystalline, water-insoluble, poisonous solid, BaS 2 O 3 ⋅H 2 O, used chiefly in the manufacture of explosives, matches, paints, and varnishes.
- Barium titanate
a crystalline compound, BaTiO 3 , used to make ferroelectric ceramics for capacitors and also used in transducers. noun a crystalline ceramic used in capacitors and piezoelectric devices. Formula: BaTiO3
- Barium x-ray
GI series. gastrointestinal series: x-ray examination of the upper or lower gastrointestinal tract after barium sulfate is given rectally (barium enema) or orally as a contrast medium.
- Barium yellow
See under barium chromate. a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- Bark
the abrupt, harsh, explosive cry of a dog. a similar sound made by another animal, as a fox. a short, explosive sound, as of firearms: the bark of a revolver. a brusque order, reply, etc.: The foreman’s bark sent the idlers back to their machines. a cough. (of a dog or other animal) to utter […]