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What are the main uses of 3-fluorophenylacetic acid?
The main use of borax, as described in "Heavenly Works", is similar.
Borax is used in the field of metallurgy, and its function is special. It can be melted and assisted in the smelting of gold. For example, in the smelting and smelting of gold, borax can reduce the viscosity of slag, make it easier to separate gold, and improve the quality of gold. The ancients smelted utensils, in order to obtain excellent products, the use of borax is indispensable.
It also has great effects on ceramics. Borax can be used to help melt, reduce the melting of ceramic billets, and make the surface of ceramics easy to control, and make the surface of ceramics glossy and colorful. The work of making exquisite porcelain, often the work of borax, in order to achieve the color of,.
It is also useful in the field of glass production. In ancient times, it was known that borax has the effect of clearing, detoxifying and anti-corrosion. It can treat mouth pain, throat pain and other diseases. It can be cured by external use of borax grinding powder, or by taking the amount.
In addition, in daily life, such as glass manufacturing, borax can increase the quality, transparency and resistance of glass. Craftsmen make exquisite glassware, borax is an important additive, making the finished glass beautiful and beautiful.
In addition, borax plays an important role in ancient metallurgy, ceramics, glass, etc., and is indispensable to the life of the ancient people.
What are the physical properties of 3-fluorophenylacetic acid?
In the case of oxaloacetic acid, its physical rationality can be described.
First of all, the color of oxaloacetic acid is always low, and it is the liquid of color.
The second time and its taste, the taste of this liquid has a special fragrance. However, it is not a strong and pungent fragrance, but a refreshing and refreshing breath. If you smell it, you are in the fragrance of the grass in spring, and there is an elegant fragrance at the end of the nose.
In addition, the melting of oxaloacetic acid is low, and the degree of melting is slightly reduced. Before it is cold, it is easy to be solidified by liquid. Its shape is like ice crystals, and the ground is also low. And its boiling phase is high, and it needs a high degree to be able to make it melt from liquid and rise in the air.
And its solubility, this acid has good solubility in water, and can be mixed and dissolved in water in any ratio. The two blend, and it is like a combination of water emulsion. And in many cases, it can also be dissolved. For example, ethanol and ether can be mutually soluble, showing their characteristics in different solubility environments.
As for its density, the density of oxaloacetic acid is slightly higher than that of water. If it enters water, it can sink to the bottom of the water, like a pearl in a pool. This property makes it suitable for some distribution operations. It can be divided according to the density difference.
What are the chemical properties of 3-fluorophenylacetic acid?
"Tiangong Kaiwu" says: Taki gum is acidic, which is the particularity of things, and the details are as follows.
Taki gum is sticky and tough. If placed in water, it can gradually dissolve and make the water sticky, like strands of silk. It is slightly soft when heated, but then cools and becomes firm, and can be molded into various shapes. Craftsmen often use this to bond objects, which is very firm. Its color is clear or turbid, depending on its place of origin and preparation method. If it is clear, it is light brown crystals, and if it is turbid, it is like an ointment of earth yellow.
Acid, sour and slightly sweet, mild in nature. In the diet, it can add its flavor and make the taste more mellow. If it is used as medicine, it has the effect of recuperating, and can be used with the spleen and stomach to help transportation and transformation. Its liquid form flows freely, its color is like a light yellow oil, and it has a unique sour aroma when smelled. It is not pungent but feels fresh.
Compared with the two, Taki Gel focuses on bonding, which is great for the power of craftsmanship utensils; Taki Gel is related to diet and medicine, and nourishes people's body and mind. Both are unique things in the world, each performing its own abilities and being used by people, demonstrating the wonders of good fortune. It is also seen that the ancients studied the depth of material nature and made good use of it to achieve things and preserve many valuable experiences and skills for future generations.
What are the production methods of 3-fluorophenylacetic acid?
There are many methods for the production of pulp oxalic acid, and the common ones are as follows:
First, the method of biosynthesis. Find microorganisms that are good at producing pulp oxalic acid, such as certain fungi and bacteria. In a suitable culture environment, such as the preparation of appropriate media, controlling conditions such as temperature, pH, and dissolved oxygen, the microorganisms grow and metabolize, and use the enzyme system in their bodies to convert the substrate into pulp oxalic acid. This biosynthesis method has mild conditions, good selectivity, and is environmentally friendly. Taking a special fungus as an example, in a medium containing a specific carbon source and nitrogen source, cultured at a constant temperature of 37 degrees and a pH of 7.0, pulp oxalic acid can be efficiently produced.
Second, the way of chemical synthesis. Pulp oxalic acid is prepared by organic chemical synthesis. Generally, a specific organic compound is used as the starting material, and the molecular structure of pulp oxalic acid is gradually constructed by a series of chemical reactions, such as substitution, addition, oxidation, etc. However, this approach often requires complex reaction steps, the use of many organic reagents, and some of the reaction conditions are harsh, which requires high equipment, and it is easy to produce more by-products. The subsequent separation and purification are complicated. For example, using an aromatic hydrocarbon derivative as the starting material, pulp oxalic acid is synthesized through multi-step reactions such as halogenation, cyano substitution, and hydrolysis. The reaction conditions and the amount of reagents need to be precisely controlled in the process.
Third, the method of plant extraction. Find plants rich in pulp oxalic acid, and obtain pulp oxalic acid through pulverization, leaching, separation, and purification Water or organic solvents are often used as extractant. After extraction, impurities are removed by filtration, centrifugation and other means, and then purified by column chromatography, crystallization and other methods. This method has natural raw materials and high product safety. However, the content of oxalic acid in pulp in plants may be low, the extraction cost is high, and it is restricted by factors such as plant growth cycle and origin. For example, certain wild plants can be collected in specific seasons, and pulp oxalic acid can be obtained after extraction and purification, but due to limited resources, it is difficult to produce on a large scale.
What is the price range of 3-fluorophenylacetic acid in the market?
In today's market, the price of Gracillic acid is between a few dollars and two silvers per catty. The reason why this price has a large size is due to various reasons.
The amount of its production depends mostly on the price. If the weather is good at the age, the Gracilaria will be prosperous, and the Gracilaria will be abundant. If there are many people entering the market, the price will tend to be flat, or slightly reduced, often reaching the spectrum of several dollars per catty. However, in case of floods and droughts, or changes in the sea, the growth of the Gracilaria is trapped, the output will drop sharply, and the market is thin, the price will surge. It is not surprising to count two silvers per catty.
Furthermore, the wide and narrow use of it also affects the price. Gracillic acid can be used in meals to increase its taste and beauty; it can be used in medicinal stones to adjust people's diseases; and it can be used in all kinds of things. If people have new knowledge about its use, the number of applicants will increase sharply. Although the production is not very different, the price will also rise due to the prosperity. On the contrary, if it is not widely used, there are few applicants, and the price will be difficult to increase.
And the difficulty of its production also affects the price. The production of Gracillic acid requires a lot of skill. If the skills are skilled and the manpower and material resources are less, the cost will be reduced and the price will be slightly cheaper. If it is not easy to make, it needs to be painstakingly researched and meticulously worked, labor and time-consuming, and the cost will be high, and the price will be expensive. In addition, the distance of the city, the difficulty of losing, all depend on the price. Those who are close to the city, the simplicity of losing, the small cost, the price or flat; those who are far from the city, the difficulty of losing, the high cost, the price will increase. It is because of Gracilaria alginic acid in the city, the price is about a few dollars to a few taels of silver per catty, and it is also caused by many feelings.