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Home > Analytical Chemistry > Liquid Chromatography (Find 43 items)

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Liquid Chromatography

Water

(7732-18-5)
Water, with its remarkable ability to dissolve and combine various substances, serves as a central element in complex networks of chemical reactions. Its ability to dissolve a wide range of compounds not only showcases its versatility but also serves as the foundation for many chemical processes. In the hallowed halls of scientific laboratories, researchers are dedicated to exploring the complex interactions between water and other chemical substances in order to unveil the secrets of these reaction mechanisms. This exploration is of epoch-making significance, not only profoundly influencing scientific inquiry but also having a far-reaching impact on industrial applications, propelling human civilization forward. In the vast agricultural realm, water plays a pivotal role as well. It is the lifeblood of the earth, nourishing both plants and animals. As a medium for plants to absorb the nutrients they need for growth, water plays a fundamental role in the agricultural ecosystem. Moreover, water is the solvent for many agricultural chemicals, such as fertilizers and pesticides, which play a crucial role in pest control and crop yield enhancement. Therefore, the rational and efficient utilization of water resources is not only a practical matter in agriculture but also a science, with the potential to enhance the quantity and quality of agricultural products, thereby ensuring the global food supply and maintaining stability in the agricultural sector. Water plays multiple roles on Earth, serving as the foundation for the nourishment and development of life. It is the source of life, a precious resource of immeasurable value far beyond gold, and we must cherish it above all else. We bear both ethical and ecological responsibilities and must use and protect this precious resource in a rational and sustainable manner. Only by doing so can we ensure that our common home, the blue planet, continues to be a source of life and vitality, nurturing diverse ecosystems and species and thriving in the future.

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Propylene carbonate

(108-32-7)
As a high-efficiency solvent, it can be used to remove carbon dioxide from petroleum gas, petroleum cracking gas, oil field gas and ammonia synthesis gas. It can also be used as plasticizer, spinning solvent or water-soluble dye, pigment dispersant, oily solvent and Extractant for olefins and aromatics.

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Isopentane

(78-78-4)
It can be used as solvent for catalyst in polyethylene production, foaming agent for expandable polystyrene, foaming agent for polyurethane foam system, deasphalting solvent, etc.

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Ligroine

(8032-32-4)
1. Used in organic synthesis and chemical raw materials such as synthetic rubber, plastic, nylon monomer, synthetic detergent, pesticides, etc. It is also a good organic solvent. 2. Mainly used as a solvent and as an extractant for foaming medicines and flavors of foamed plastics.

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Fluorescein 6-isothiocyanate

(18861-78-4)
Fluorescent labeling reagent for proteins.Used in the fluorescent antibody technique for rapid identification of pathogens.

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1,2-Dimethoxyethane

(110-71-4)
1, 2-dimethoxy-ethane, as a versatile organic solvent, has a wide range of applications in chemical, industrial and energy fields due to its unique properties. However, awareness and management of its potential toxicity and flammability are key to ensuring its safe and effective use. By adopting appropriate preventive measures and management strategies, we can harness the full potential of this compound while reducing the risks associated with it. 1, 2-dimethoxy-ethane, an organic compound widely used in the field of chemistry, plays an important role in several industrial and scientific fields due to its unique properties. This colorless liquid is known for its non-polar solvent properties, chemical reactivity, and compatibility with other substances, thus finding its unique applications in a number of fields such as organic synthesis, battery technology, analytical chemistry, and specialty chemical production. In organic synthesis, 1, 2-dimethoxy-ethane is widely used as a reaction medium, especially in promoting the formation of alkali metal-hydrocarbon admixtures, such as Grignard reagents and organolith compounds. The special feature of this solvent is its ability to stabilize the reaction intermediates, thus playing a key role in the Reformatsky reaction and other complex organic synthesis, providing chemists with a powerful tool for building complex molecules. In the field of battery technology, 1, 2-dimethoxy-ethane is favored for its excellent solvation properties and compatibility with electrochemical systems. In the production of lithium-ion batteries and other advanced battery systems, it can help dissolve and disperse key electrode materials, thereby improving battery performance and service life, ensuring battery reliability and stability in a variety of applications. In analytical chemistry, 1, 2-dimethoxy-ethane is used as a solvent for high performance liquid chromatography (LC) and other analytical techniques. Due to its ability to dissolve a wide range of organic compounds, it has shown great value in the separation, extraction and purification of complex mixtures, and is a common reagent for various chemical analysis and purification operations in the laboratory. In addition, 1, 2-dimethoxy-ethane is used as an intermediate in the production of other specialty chemicals. Through different chemical transformations, it can be converted into various ethers, esters and other organic compounds, which are widely used in pharmaceutical, agrochemical and materials science fields, providing a rich chemical basis for the development of innovative products. However, it is worth noting that 1, 2-dimethoxy-ethane has certain toxicity and flammability, so proper precautions must be taken during use. This includes ensuring that the working environment is well ventilated, the use of personal protective equipment, and strict adherence to guidelines for storage and handling. These safety measures ensure that potential health and safety risks are avoided while taking full advantage of its chemical properties. As a multifunctional organic solvent and chemical intermediate, 1, 2-dimethoxy-ethane is widely used in many fields, which reflects its important position in modern chemical industry. With the deepening of scientific research and the continuous development of technology, it is expected that the use of 1, 2-dimethoxy-ethane will be further expanded, bringing more scientific and technological well-being to human society.

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NAM

(49759-20-8)
Used for fluorometric determination of sulfites in foods and fermentation products

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Liquid chromatography is one of the most important methods for trace analysis of material components. The two phases in chromatographic analysis refer to a stationary phase with a large specific surface area and a mobile phase carrying the mixture to be separated through the stationary phase. Liquid chromatography is used for the mobile phase. Liquid chromatography is also called "liquid chromatography". A method for chromatographic analysis. The mobile phase used is liquid. Because the liquid in the chromatography column is more resistant than the gas, in order to improve the analysis speed, the high-pressure infusion method is usually used, so it is also called "high-pressure liquid chromatography". According to the different stationary phases, it can be divided into liquid-solid chromatography and liquid-liquid chromatography; according to the type of equilibrium that occurs between the stationary phase and the mobile phase, it can be divided into adsorption chromatography, partition chromatography, ion exchange chromatography, and gel chromatography. Used for separation and analysis of organic matter, inorganic matter and polymer liquid.
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