About The Strontium Sulfate

Celestite ore is mainly used to produce Strontium Carbonate, followed by Strontium Nitrate, strontium chromate, strontium titanate, strontium Phosphate, Strontium Sulfate, strontium Chloride , and can also extract metal strontium. Strontium and strontium salts are widely used in electronics, metallurgy, non-ferrous, electrical, national defense, glass, medicine, sugar and other industrial sectors. Strontium Carbonate can be used as a coating for the fluorescent screen of a color TV picture tube, which can not only greatly reduce X-ray radiation, but also improve the clarity of the picture and the authenticity of the color tone.

Used in the electrical industry to manufacture strontium ferrite ceramic materials and atomic batteries. In the metallurgical industry, strontium and strontium salts can be used as desulfurization and dephosphorization agents in steelmaking, and can improve pig iron performance and steel quality in ferrosilicon production. In the national defense industry, it is used to manufacture signal flare, tracer and fireworks. In addition, it can also be used as a reducing agent for refractory metals, a degassing agent for vacuum tubes, a catalyst for artificial diamonds, a lubricant, and special alloy materials. In recent years. Strontium, lanthanum, and copper oxides can be used as important metals to compose superconducting ceramics, and saturated solutions are used to test barium. Fireworks manufacturing.

Strontium Sulfate is generally used to prepare a self-adjusting chromium plating solution to control the content of chloride ions and free sulfate ions.

Heat 85g of strontium Nitrate Sr(NO3) 2 into 500mL of water, add 20mL of concentrated sulfuric acid with a relative density of 1.84 to 30mL of water to make a dilute acid solution. Slowly add the sulfuric acid solution to the strontium nitrate solution under stirring to precipitate strontium sulfate. Continue to heat in a water bath for a while to fully mature the precipitate, add an appropriate amount of water, wash the precipitate, stand still, and pour out the supernatant liquid. After repeated washing several times, filter with a microporous glass filter. After washing with a small amount of water for 2 to 3 times, dry at 200°C. The yield can reach more than 95%.

Strontium sulfate can be prepared by the celestite purification method. If you need high-purity products, you can add sulfuric acid or alkali metal sulfate to the aqueous solution of soluble strontium salt (such as strontium chloride or strontium nitrate), and the large acicular crystalline hydrated salt is initially precipitated from the concentrated solution, which will lose water soon. Water salt.

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