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Physical and chemical properties of calcium chloride dihydrate

Physical and chemical properties of calcium chloride dihydrate

Appearance: colorless cubic crystal, white or grayish white, with granular, honeycomb [block, spherical, irregular granular, powder, non-toxic, odorless, slightly bitter taste.

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Brief history of research on soda ash

Brief history of research on soda ash

Before the artificial synthesis of soda ash, it was found in ancient times that some seaweeds contained alkalis in the ashes after drying.

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Preparation method of anhydrous magnesium chloride

Preparation method of anhydrous magnesium chloride

The brine, a by-product of salt production from seawater, is concentrated into carnallite (KCl · MgCI · 6H2O) solution, cooled, and then potassium chloride is removed, and then concentrated, filtered, cooled, and crystallized.

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Industrial use of anhydrous calcium chloride

Industrial use of anhydrous calcium chloride

It is used as a multi-purpose desiccant, such as for drying nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide and other gases.

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Research history of sodium bicarbonate

Research history of sodium bicarbonate

In 1791, French chemist Nicolas Leblanc prepared sodium carbonate, which laid the foundation for the synthesis of sodium bicarbonate.

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Preparation method of magnesium sulfate heptahydrate

Preparation method of magnesium sulfate heptahydrate

Add sulfuric acid into natural magnesium carbonate (magnesite), remove carbon dioxide, and then recrystallize it.

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