introduce

Odorless, bitter and salty, odorless, non-toxic. It is easy to absorb three molecules of water in humid air. Soluble in water and glycerin, insoluble in alcohol. 3.6 Soluble in water. The solubility is the highest at 33°C (1:2), the higher the temperature, the lower the solubility, and it is soluble in 2.4 parts of water at 100°C.

Basic Information

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nature

White orthorhombic bipyramidal crystal or crystalline powder. It has a bitter and salty taste and is odorless. The melting point is about 800°C; d2.7. It has hygroscopicity and is easy to absorb three molecules of water in humid air. Soluble in water and glycerin, insoluble in ethanol. The aqueous solution is neutral. The solubility is the highest at 33°C (1:2), the higher the temperature, the lower the solubility, and it is soluble in 2.4 parts of water at 100°C. When the aqueous solution is lower than 32.38°C, it will crystallize as decahydrate, and when it is higher than 32.38°C, it will start to crystallize as anhydrous sodium sulfate.

Glauber's salt is an anhydrous sodium sulfate mineral. Orthorhombic crystal system, the crystals are biconical, columnar or plate-like, and the aggregates are granular, powdery or massive. Colorless, off-white, yellow or yellow-brown. Transparent to translucent. Vitreous luster or turpentine luster. Streaks white. Hardness 2.5~3, density 2.66~2.7g/cm3. Very soluble in water. There is a cool feeling. The taste is cool and salty. It is easy to hydrate in humid air and transforms into powdery aqueous sodium sulfate covering the surface. Anhydrous Glauber's salt is produced in salt lakes containing sodium sulfate brine, and it is symbiotic with Glauber's salt, Glauber's salt, magnesia, gypsum, Glauber's salt, rock salt, natron, etc.; it can also be dehydrated from Glauber's salt; volcanic jet There is a small amount of output around the hole.

use

It is mainly used as a filler for synthetic detergents. Cooking agent used in the paper industry for the manufacture of kraft pulp. The glass industry is used to replace soda ash. The chemical industry is used as a raw material for the manufacture of sodium sulfide, sodium silicate and other chemical products. The textile industry is used to prepare vinylon spinning coagulation bath. The pharmaceutical industry is used as a laxative. Also used in non-ferrous metallurgy, leather and so on.

safety

Packed in plastic woven bags lined with polyethylene plastic bags, with a net weight of 50kg or 100kg per bag. It should be stored in a ventilated and dry warehouse. It is easy to melt and form large pieces in summer or in areas with high temperature, so it should be protected from moisture and rain during storage and transportation. Be careful not to puncture the packaging bag by iron nails or hard objects with sharp points and edges, causing product leakage. Do not mix with food, coal, cement, etc. to prevent pollution. In case of fire, water and various fire extinguishers can be used to extinguish the fire.