Calcium Tungstate

CaWO₄

IUPAC: Calcium tungstate

CAS: 7790-75-2

Tổng quan

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.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Oxygen O 4 15,9990
Calcium Ca 1 40,0780
Tungsten W 1 183,8400

Thành phần nguyên tố

O
Oxygen ×4
22,2%
Ca
Calcium ×1
13,9%
W
Tungsten ×1
63,8%

Công dụng

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

Sự thật thú vị

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

Tính chất

Loại
salt
Trạng thái
solid
Khối lượng mol
287,93 g/mol
Mật độ
6,0620 g/cm³
Điểm nóng chảy
1620,0 °C
Độ hòa tan
insoluble

Hợp chất liên quan

Ammonium Chloride

NH₄Cl

Barium Chloride

BaCl₂

Calcium Sulfate

CaSO₄

Cerium(III) Chloride

CeCl₃

Copper(II) Sulfide

CuS

Ammonium Sulfate

(NH₄)₂SO₄

Barium Carbonate

BaCO₃

Calcium Citrate

Ca₃(C₆H₅O₇)₂

Calcium Phosphate

Ca₃(PO₄)₂

Calcium Propionate

Ca(C₂H₅COO)₂

Frequently Asked Questions

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