8-Quinolinesulfonic acid

8 -Calciferite is an aluminate silicate mineral with unique chemical properties and important uses in many fields.
Calciferite is ion-exchangeable. This property is derived from the existence of exchangeable cations in its crystal structure, such as sodium, potassium, calcium, etc. Under specific conditions, these cations can be exchanged with other cations in the surrounding environment. For example, in aqueous solutions, calciferite can exchange its own sodium ions with calcium ions in the solution. This property is widely used in water softening, wastewater treatment, etc. It can remove excess calcium and magnesium ions in water, reduce the hardness of water, and adsorb and remove heavy metal ions in wastewater to achieve the purpose of purifying water quality.
It also has adsorption properties. There are many uniform and tiny pores and cavities inside the calcite, forming a large specific surface area. With this structural feature, it can adsorb molecules or ions in gases and liquids. For example, in chemical production, calcite can be used to adsorb specific impurities in mixed gases to purify target gases; in the environmental field, it can adsorb harmful gases in the air, such as formaldehyde, benzene, etc., to purify the air.
Calcite has good stability. It can maintain its crystal structure and chemical properties within a certain temperature and acid-base conditions. Generally speaking, it can withstand higher temperatures without decomposition or phase change, and is not easily corroded in common acid-base solutions. This stability makes it suitable for high-temperature and corrosion-resistant materials, such as in the manufacture of high-temperature furnace linings, chemical reactor linings, etc.
In addition, calcite also exhibits catalytic properties in certain chemical reactions. Due to its special pore structure and surface acid position, it can provide a suitable place for chemical reactions, reduce the activation energy of the reaction, and accelerate the reaction process. In the petrochemical industry, calcite is often used as a catalyst to help oil cracking, reforming and other reactions, and improve the quality and yield of products.

The common preparation method of 8-hydroxyquinoline, although the ancient book "Tiangong Kaiwu" does not describe the preparation of this specific substance in detail, it can be deduced from the ancient chemical technology.
Ancient chemical compounds are often derived from the extraction and transformation of natural materials. To obtain 8-hydroxyquinoline, you can start with natural substances rich in related elements or structures. Such as certain plants and minerals, which have been carefully inspected and screened, or contain ingredients that can be derived from 8-hydroxyquinoline.
First take suitable natural materials and pretreat them by water leaching, fire calcination, etc. For water leaching, the soluble components in the material are dissolved to remove their impurities; for fire calcination, the structure of the material is changed by high temperature, which is easier to follow-up reactions. < Br >
Then promote its transformation by chemical reaction. The ancient chemical industry, although there is no precise instrument today, but with experience and practice, it can also control the reaction. For example, by acid-base neutralization, oxidation and reduction methods, adjust the chemical properties of the material. Or find natural acids and alkalis, so that the reaction with the pretreated material, and gradually build the structure of 8-hydroxyquinoline.
After the reaction, it needs to be separated and purified. In ancient times, it was carried out by precipitation, filtration, distillation, etc. Precipitation, so that the desired product is precipitated from the solution; filtration to remove insoluble impurities; distillation according to the difference in the boiling point of the substance, fractionates out pure 8-hydroxyquinoline.
Although the ancient production method may not be as accurate and efficient as today's, its thinking is based on nature, step by step, and with the help of natural power and experience, it can also explore the path for the preparation of 8-hydroxyquinoline, demonstrating the wisdom and search of the ancients in the chemical industry.

8 - The method of boric acid is described directly in ancient books, but it is based on the principle of general transformation and the thinking of ancient medicine, medicine making and other techniques, or it can be pushed.
First, start with borax. For borax, it is ancient or fluffy, and its properties are peaceful. Take the amount of borax, dissolve it in water, and obtain a clear liquid. Then, add sulfuric acid. For sulfuric acid, the ancient oil is used to replace the oil, and then the method of burning (sulfuric acid) can be used to obtain an approximate acid solution. Add acid, and be careful to mix it slowly. Biochemical synthesis of borax and sulfuric acid. The reason for its transformation is that borax (Na ² B O · 10 H ² O) is inverted with sulfuric acid (H ² SO), the sulfate in borax is combined, and the boron element is re-combined, and the boron element is re-combined to produce boric acid (H 🥰 BO 🥰). In reverse, it is set to settle, and then by steaming to remove its moisture, the solidification of boric acid can be obtained.
Second, it is based on boron stone. The mining and metallurgy of ancient materials has been developed. Take the boron stone first, and crush the powder. Put it in a container of the crucible and calcine it with fire. Calcined, the properties of the stone are slightly lower. Then the acid solution is treated, and the acid can be combined with acetic acid and the like (ancient acetic acid is easy to obtain, such as the method of vinegar). The boron stone of the acid calcination is reversed, and the boron element is dissolved in the liquid. In other words, by methods such as precipitation and oxidation, the acid degree of the whole solution is removed, so that the boric acid can be precipitated. This method is very good, but there are also methods to follow in the utilization of ancient materials.
Third, or the method of biology can be borrowed. Ancient is known that some plants or microorganisms have the ability to enrich or reduce boron elements. If you can obtain organisms with special effects of boron elements, make them enriched with boron elements. However, boric acid can be obtained by extracting the boron component of the organism in an appropriate solution, and then processing it, or boric acid can be obtained. However, this method requires an in-depth knowledge of the nature and nature of the organism, and the extraction process is not large. For the sake of ancient or scientific thinking, there is no mature method yet.
As a result, the ancient materials are limited, but according to the basic principle of chemistry and existing technology, the method of boric acid can also be deduced, and it will be perfected by people in the world.

8 -Calciferite is a water-containing shelf-like structure of aluminosilicate minerals, which has its unique applications in many fields.
In the industrial field, in the petrochemical field, calciferite can be used as a catalyst. Although "Tiangong Kaiwu" does not elaborate on the use of calciferite as a catalyst, the book discusses the application of many chemical raw materials. For example, calciferite has a special pore structure and acidic check point, which can promote more efficient oil cracking reactions and increase the output ratio of gasoline, diesel and other products.
In agriculture, calciferite can be used for soil improvement. It has good ion exchange properties, can absorb excess potassium, sodium and other cations in the soil, slowly release nutrients, and make soil fertility more durable and stable. Just like the various farming methods mentioned in "Tiangong Kaiwu", which aim to make the soil more productive, the improvement of soil by calcite is just like a good method for soil, helping crops to thrive and increase yield.
In the field of environmental protection, calcite can be used for sewage treatment. It can absorb heavy metal ions and organic pollutants in sewage and purify water quality. Although "Tiangong Kaiwu" does not mention sewage treatment, it contains the concept of harmonious coexistence between man and nature. Calcite treatment of sewage is also to protect the cleanliness of water, which is in line with the ancient concept of cherishing natural resources.
In the field of building materials, calcite can be used to prepare high-performance concrete. It can improve the working performance of concrete, improve strength and durability. Just like the research on building materials and construction in "Tiangong Kaiwu", calcite is used in building materials to make buildings more durable and extend their lifespan.

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