28
2025-04
How to Detect Sodium Sulfite Residues in Food?
Principle: Sodium sulfite reacts with sodium tetrachloromercuric acid to form a stable complex, and then interacts with formaldehyde and pararosaniline hydrochloride to form a purplish-red substance, and then determines the absorbance at a certain wavelength, and compares it with the standard curve for quantification.
2025-04-28
28
2025-04
What are the specific uses and dosages of sodium sulfite in the food industry?
Sodium sulfite is often used as bleaching agent, preservative and antioxidant in food industry. The following is its specific use method and dosage:
2025-04-28
28
2025-04
Uses and precautions for the use of sodium methanolate
Organic synthesis: It is a strong alkaline reagent, widely used in organic synthesis reaction. For example, it is used as a catalyst in transesterification reaction to promote the synthesis of fatty acid methyl ester and used in the production of biodiesel.
2025-04-28
28
2025-04
What is the market outlook for dimethyl sulfoxide?
Dimethyl sulfoxide (DMSO) market prospects are broader, with the following development trends and characteristics:
2025-04-28
28
2025-04
What are the specific applications of diisopropylamine in agriculture?
Synthetic herbicides: Diisopropylamine is an important intermediate for synthesizing certain sulfonylurea herbicides.
2025-04-28
28
2025-04
What are the industrial applications of sodium meta-aluminate?
Water purifier: hydrolysis of sodium meta-aluminate generates aluminum hydroxide colloid, which can adsorb suspended impurities in water and play the role of coagulation and sedimentation, so as to achieve the purpose of water purification, and can be used for the treatment of drinking water and industrial water.
2025-04-28
28
2025-04
Physicochemical properties and uses of sodium metaaluminate
Water treatment: Sodium meta-aluminate can be used as a water purifier to treat drinking water and industrial water. The aluminum hydroxide colloid produced by its hydrolysis in water can adsorb the suspended impurities in water and make the water become clear.
2025-04-28
21
2023-08
Because of its ability to dissolve oxides, hydrofluoric acid plays an important role in the purification of aluminum and uranium. Hydrofluoric acid is also used to etch glass, which can be engraved with patterns, scales and text
2023-08-21
01
2023-08
What do I need to be aware of when transporting and storing potassium hydroxide?
Transportation precautions: When transported by rail, steel drums can be transported in open wagons. The package should be complete when starting transportation, and the loading should be steady.
2023-08-01
01
2023-08
What are the uses of n-butanol?
Mainly used in the manufacture of phthalic acid, aliphatic dibasic acid and phosphoric acid n-butyl ester plasticizers, which are widely used in various plastics and rubber products.
2023-08-01
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Chuangzhi Valley, Guoli Town, Huantai County, Zibo City, Shandong Province