BARIUM CARBONATE(513-77-9) is a white powder. BARIUM CARBONATE(513-77-9) is insoluble in water

and soluble in most acids, with the exception of sulfuric acid. BARIUM CARBONATE(513-77-9) has a

specific gravity of 4.275. BARIUM CARBONATE(513-77-9) is toxic by ingestion.

Industrial product is white powder. Almost insoluble in water, soluble in alcohol, soluble in acid and

ammonium chloride solution.

[Producing piezoelectric ceramic capacitors]

Barium carbonate is widely used in high-voltage AC capacitors, ultrasonic transducer devices and

piezoelectric ceramic capacitor manufacturing.

The piezoelectric effect was first discovered on quartz crystal by the Curie brothers in 1880, the crystal

which can produce the piezoelectric effect was called piezoelectric crystal. The class of piezoelectric

crystal is single crystal, such as quartz (SiO2), sodium potassium tartrate (it is also known Luose salt,

NaKC4H4O6 * H2O), BGO (Bi12GeO20) and the like. Another class of piezoelectric crystals is called

piezoelectric ceramics such as barium titanate (BaTiO3), lead zirconate titanate [Pb (ZrxTirx) O3, code

PZT], magnesium niobate lead zirconate titanate of Japan made [Pb (Mg1/3Nb2/3) O3 added PZT, code

PCM], manganese, antimony, lead zirconate titanate of China made [Pb (Mn1/2Sb2/3) O3 added PIT

code PMS] and so on.

Piezoelectric ceramic materials have three major categories:

PZT materials (PbZrTiO3): titania, zirconia, lead oxide, strontium oxide, niobium oxide, lanthanum oxide

and the like.

PMN class materials (PbNbMgO3): niobium oxide, magnesium oxide, lead oxide, strontium oxide,

lanthanum oxide and the like.

Barium titanate type materials (BaTiO3): titanium dioxide, barium carbonate, strontium carbonate.

The above information is edited by ChemicalBook editor Maggie.

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