Strontium sulfate

White solid

Fixed

3.96 g · cm -3

1605 ° C ( during rapid heating )

Very poor in water ( 0.11 g / l at 30 ° C)

1,622

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Strontium sulfate is a chemical compound from the group of strontium compounds and sulfates.

Occurrence

Of course, strontium sulfate occurs as the mineral celestite and the skeleton of the radiolarian species of Acantharia.

Production and representation

Strontium sulfate may be prepared by precipitation of sulphates (such as sodium sulfate, calcium sulfate) in a strontium or strontium chloride.

Properties

Strontium sulfate is a white, non-flammable solid. He decomposes greater than 1580 ° C. in temperature

It has an orthorhombic crystal structure similar to that of barium sulfate (see Celestine ).

Use

Strontium sulfate ( red flame color), the analysis and as a pigment ( strontium White) is used in pyrotechnics. It also serves the production of strontium (based on the mineral ) as well as other compounds and strontium is used as the component of ceramics.