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The Practical Application Of Chemical Reagent Distillation And Rectification

​Distillation and rectification are mainly used for liquids or chemical reagents that can be heated to become liquids, especially for the purification of organic chemical reagents.

Distillation Principle Of Chemical Reagents

​The main purpose of distillation is to separate volatile and semi-volatile impurities from chemical reagents containing impurities or to evaporate volatile and semi-volatile substances, leaving no...

Safe Use Of Chemical Reagents

​Generally, chemical reagents with a flash point below 25°C are listed as flammable chemical reagents. Most of them are extremely volatile liquids and can burn when exposed to an open flame. The lo...

Principles Of Judging The Stability Of Chemical Reagents

​To determine the stability of a substance preliminarily, the following principles can be followed: Inorganic compounds can be used for a long time as long as they are properly stored and the packa...

Validity Period Of Chemical Reagents

The validity period of chemical reagents varies greatly with the change of chemical properties. Under normal circumstances, chemically stable substances have a longer shelf life and simpler storage...

Packaging, Storage And Transportation Of Sodium Thiosulfate Pentahydrate

Precautions for storage and transportation: It should be stored in a cool and dry warehouse. Avoid exposure to sunlight and rain during transportation. Do not store or transport with acids and oxid...

Preparation Method Of Sodium Thiosulfate Pentahydrate

Sodium sulfite method: After dissolving soda ash, it reacts with sulfur dioxide (generated by burning sulfur) to generate sodium sulfite, then adding sulfur for boiling reaction, filtering, concent...

Functions And Uses Of Sodium Thiosulfate Pentahydrate

The photosensitive industry is used as a photographic fixer. The paper industry is used as a dechlorinating agent after bleaching pulp. Used in printing and dyeing industry as a dechlorinating agen...

Physical Properties Of Sodium Thiosulfate Pentahydrate

Solubility: Easily soluble in water, and the aqueous solution is nearly neutral. Soluble in turpentine and ammonia. Insoluble in ethanol. Decomposes in acidic solution.

Preparation Of Platinum Tetrachloride

​Industrial platinum can be produced by dry method from platinum ore, or by-products produced during the production of copper and nickel from copper and nickel sulfide ore as raw materials, which c...

Polymerization Control Reaction Of Trithiocarbonate

​In recent years, the development of living polymerization has provided a powerful means for synthesizing polymers of various structures. Adding trithiocarbonate into the polymerization system can ...

Raw Material For The Production Of Diphenyl Phosphoric Acid

The reaction produces diphenyl phosphorus chloride, which is oxidized to diphenyl phosphorus oxychloride under deep cooling with oxygen, and then hydrolyzed to diphenyl phosphoric acid.