Tungstato de calcio

CaWO₄

IUPAC: Calcium tungstate

CAS: 7790-75-2

Descripción general

Calcium tungstate (scheelite) is the primary ore mineral for tungsten and fluoresces bright blue-white under UV light. It was used in X-ray intensifying screens.

Composición

Elemento Símbolo Átomos Masa atómica
Oxígeno O 4 15,9990
Calcio Ca 1 40,0780
Wolframio W 1 183,8400

Composición elemental

O
Oxígeno ×4
22,2%
Ca
Calcio ×1
13,9%
W
Wolframio ×1
63,8%

Usos

  • • Tungsten ore
  • • X-ray intensifying screen (historical)
  • • UV-fluorescent mineral
  • • Scintillation detector

Datos curiosos

  • ✦ Named after Carl Wilhelm Scheele, who discovered tungsten's existence from this mineral in 1781

Propiedades

Tipo
salt
Estado
solid
Masa molar
287,93 g/mol
Densidad
6,0620 g/cm³
Punto de fusión
1620,0 °C
Solubilidad
insoluble

Compuestos relacionados

Acetato de calcio

Ca(C₂H₃O₂)₂

Acetato de sodio

CH₃COONa

Aluminato de sodio

NaAlO₂

Azida de sodio

NaN₃

Benzoato de sodio

C₇H₅NaO₂

Bicarbonato de amonio

NH₄HCO₃

Bicarbonato de sodio

NaHCO₃

Bitartrato de potasio

KHC₄H₄O₆

Bromuro de sodio

NaBr

Carbonato de bario

BaCO₃

Frequently Asked Questions

What is Tungstato de calcio?
Tungstato de calcio (CaWO₄) is a salt compound with the IUPAC name Calcium tungstate.
What is the molecular weight of Tungstato de calcio?
Tungstato de calcio has a molar mass of 287.93 g/mol.
What state is Tungstato de calcio at room temperature?
Tungstato de calcio is a solid at room temperature.
Is Tungstato de calcio organic or inorganic?
Tungstato de calcio is classified as an inorganic compound.
What elements make up Tungstato de calcio?
Tungstato de calcio (CaWO₄) is composed of Oxígeno (O), Calcio (Ca), Wolframio (W).