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Good quality and low price Ensign brand citric acid Qixing brand citric acid Tiantian brand citric acid Anhydrous citric acid Sodium citrate
Citric acid is an important organic acid, also known as citric acid. It is a colorless crystal and often contains one molecule of crystal water. It is odorless, has a strong acid taste, and is easily soluble in water. The calcium salt is easier to dissolve in cold water than in hot water. This property is often used to identify and separate citric acid. Anhydrous citric acid can be obtained by controlling the appropriate temperature during crystallization. It has many uses in industry, food industry, cosmetics industry, etc.
Citric acid is also called citric acid, and its chemical name is 2-hydroxypropane-1,2,3-tricarboxylic acid. According to its water content, it is divided into monohydrate citric acid and anhydrous citric acid. Citric acid has a wide range of uses. It is used in the food industry to account for more than 75% of the production. It can be used as a food sour agent, antioxidant, and pH regulator, and used in foods such as refreshing drinks, jams, fruits and cakes. It is used in the pharmaceutical industry for about 10%, mainly used as anticoagulant, antacid, flavoring agent, etc. It is used in the chemical industry and accounts for about 15%. It is used as a buffer, complexing agent, metal cleaning agent, mordant, gelling agent, toner, etc. It is very broad in industrial fields such as electronics, textiles, petroleum, leather, construction, photography, plastics, casting and ceramics[1].
Used in the food industry
Because citric acid has a mild and refreshing sour taste, it is commonly used in the manufacture of various beverages, sodas, wines, candies, snacks, biscuits, canned juices, dairy products and other foods. In all organic acid markets, citric acid has a market share of more than 70%. Flavoring agents can also be used as antioxidants for edible oils. At the same time, it improves the sensory properties of food, enhances appetite and promotes the digestion and absorption of calcium and phosphorus in the body. Anhydrous citric acid is widely used in solid beverages. Citric acid salts such as calcium citrate and ferric citrate are fortifiers that require calcium and iron ions to be added to certain foods. The esters of citric acid, such as triethyl citrate, can be used as plasticizers to make plastic films for food packaging, sour agents and preservatives in the beverage and food industries.
Used in the chemical and textile industry
In chemical technology, citric acid can be used as a reagent for chemical analysis, as an experimental reagent, as a chromatographic analysis reagent and as a biochemical reagent; as a complexing agent and masking agent; and as a buffer solution. Using citric acid or citrates as builders can improve the performance of washing products, quickly precipitate metal ions, prevent pollutants from re-attaching to fabrics, and maintain the necessary alkalinity for washing; disperse and suspend dirt and ash; It is an excellent chelating agent to improve the performance of surfactants; it can be used as a reagent for testing the acid resistance of architectural ceramic tiles.
Formaldehyde in clothing
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