$面议

Category: Food & Beverage

Company: 上海硕馨机电设备有限公司

Product Description: Our spray guns feature the following characteristics:Front-end mixing, with ultrafine atomized particles and flow rate controllable down to 10L/H, suitable for SNCR denitrification, flue SCR, flue low-temperature oxidation denitrification, and the gun head can be angled.Mid-end mixing, with strong penetration suitable for furnaces with deep chambers and high flue gas volume, stable atomization, less prone to pressure buildup with air or water pressure, applicable to SNCR denitrification in cement plants.Rear-end mixing, not reliant on the gun head, high safety factor, ultrafine atomized particles, equipped with a cooling air protective sleeve, low compressed air consumption, energy-saving, suitable for chain grate boilers, pulverized coal boilers, and in-furnace SNCR denitrification. more>

$12000

Category: Others

Company: 诸城市泰富机械有限公司

Product Description: Smoking and roasting have the following characteristics:1) Impart a special smoked flavor to the product. The high temperature on the surface causes caramelization, producing a roasted aroma that stimulates appetite;2) Prevent fat oxidation, which is achieved through the penetration of smoke components into the meat;3) The polymerization of aldehydes and phenols in the smoke forms a glossy, dry, tea-brown film on the surface of the smoked product, not only enhancing its color but also improving its preservability;4) For meats cured with nitrite, smoking and drying promote reddening of the color, remove excess surface moisture, cause moderate shrinkage, and give the product a desirable texture;5) When the smoke temperature is above 45°C, it inhibits microbial growth. When the meat temperature is around 15°C, it promotes the action of autolytic enzymes, softening the product's texture;6) Smoking and roasting significantly enhance the activity of endogenous enzymes in the product, aiding in dehydration, drying, and thermal processing, which are crucial for developing the product's color, aroma, taste, and shape. more>

Negotiable

Category: Others

Company: 广州德朴智能科技有限公司

Product Description: Guangzhou Depu Intelligence is an authorized agent for Theben. TheLuxa P220 is a mobile infrared sensor switch suitable for outdoor use. With an IP55 protection rating, it is ideal for outdoor applications. Available in white and black, it can be mounted on walls or ceilings. It is suitable for large outdoor commercial spaces such as offices, public buildings, hotels, schools, parking lots, and warehouses. The sensor head can rotate horizontally, downward, and upward. The installation height ranges from 2 to 4 meters, with a detection diameter of up to 16 meters. It features automatic lighting control based on brightness and motion sensing, adjustable brightness switch value, and shutdown delay. It supports mixed light measurement for fluorescent lamps, incandescent lamps, halogen lamps, and LEDs, with a current brightness value learning function. Factory default settings are included. The detection area can be adjusted via lens accessories,and the sensitivity of the detection area can be reduced. Pulse function is available. Optional engineering remote and user remote are offered.TheLuxa P220 has a detection angle of 220°.TheLuxa P300 has a detection angle of 300°. more>

$10000

Category: Others

Company: 拓森（厦门）节能设备有限公司

Product Description: Overview of Air Conditioning SystemI.Current Basis for Central Air Conditioning System Metering:Article 27 of the "Energy Conservation Law" stipulates that energy-consuming units shall strengthen energy metering management, and equip and use legally verified and qualified energy metering instruments in accordance with regulations. The industry standard "Technical Specification for Engineering of Centralized Air Conditioning Electronic Billing Information Systems" clearly specifies the "two-part tariff model composed of a basic unit price and a metering unit price."II.Central Air Conditioning System Metering Methods:1. Energy-Based Central Air Conditioning Metering Method: Principle Calculation Formula:2. Time-Based Central Air Conditioning Billing Method:2.（1）Principle of Time-Based Billing2.（2）Schematic of Time-Based Metering Installation:3. Expandable Functions:① Air conditioning billing function / centralized meter reading;② Control function, remote timed startup and shutdown;③ Remote temperature locking and energy saving;④ Equipped with an electronic thermostat, large LCD screen, and on-site display of usage time;⑤ Prepaid function, on-site display of balance, arrears reminder;⑥ Query and billing management;⑦ Alarm functions for theft, detachment from metering, etc.4.Comprehensive Comparison of Time-Based and Energy-Based Metering:ItemAdvantagesApplicable ScopeTime-Based Metering1. Relatively stable                               2. Cost-effective                    3. Significant advantages for apartment-style household meteringSuitable for metering systems with many and dispersed usersEnergy-Based1. High metering accuracy                      2. Significant advantages for building or area-based meteringSuitable for metering systems in larger areas or for standalone usersII.Relationship Between Air Conditioning Metering and Billing:① Metering is the foundation; billing and energy saving are the core;② The essence of central air conditioning billing is the reasonable allocation of costs;③ Blindly pursuing excessively high precision will increase costs;④ Choosing the appropriate solution for different projects is reasonable;⑤ System stability, reliability, and ease of maintenance are, to some extent, more important;Central air conditioning metering and billing are first a management issue, then a metering equipment issue, and constitute a service system.IV. Billing Introduction:The two-part tariff method, based on a basic unit + metering unit price, is a national policy and industry-oriented billing model, which is relatively reasonable and the most common model.This billing method is suitable for all property areas. The determination of the billing ratio and unit price is the key and challenge of the billing method.There is currently no unified standard for determining the billing ratio and unit price. Different manufacturers have their own calculation methods, and the baseline may vary depending on the characteristics of each project. more>

$18

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: 新驰电气(湖北)有限公司

Product Description: Features of Mine NFE9178 Emergency Wall LampNFE9178 Emergency Ceiling Lamp Applicable Scope:1. This product is widely suitable for workplaces requiring safe voltage such as oil fields, mines, chemical plants, ships, etc. It is an ideal replacement for ordinary safety lighting lamps.NFE9178 Emergency Ceiling Lamp Performance Features:1. Utilizes environmentally friendly LED solid-state light source with low energy consumption, high luminous efficiency, and long service life. Energy consumption is only 20% of incandescent lamps with the same light output, overcoming the low luminous efficiency of traditional tungsten filaments, featuring energy-saving and high efficiency. The light source emits soft light without glare, preventing visual fatigue for workers. Good electromagnetic compatibility ensures no pollution to the power supply. The transparent housing component is made of imported adhesive material with high light transmittance and excellent impact resistance, enabling the lamp to operate normally in various harsh environments. Unique LED circuit board design ensures a working life of 100,000 hours for the LED module. User-friendly product design allows customers to choose appropriate working voltages for different lighting environments. Multiple control modes enable dual use for normal and emergency lighting, with options for automatic or manual switching, or use solely as emergency lighting. The emergency ceiling lamp automatically switches to emergency mode during power outages, providing up to 10 hours of continuous emergency lighting.NFE9178 Emergency Ceiling Lamp Technical Parameters:1. Rated Voltage: AC/DC12-48V 50Hz AC/DC85-260V 50Hz2. Light Source Type: LED3. Rated Power: 5x3W4. Power Factor Greater Than: 0.95. Protection Level: IP656. Corrosion Resistance Level: WF27. Insulation Level: I8. Average Service Life: 100,000 hours9. Inlet Cable: Ф8~Ф14 (mm)10. Dimensions: 180x110x55mm/200x250x70mm (with emergency)11. Weight: 0.6/2.2KG (with emergency)NFE9178 Emergency Ceiling Lamp Structural Features:1. Uses a new generation of solid-state light source with high luminous efficiency, long life, energy-saving, and environmental protection; energy consumption is only 20% of incandescent lamps with the same brightness;2. Designed with multiple shockproof structures, excellent seismic performance, reliable for use in various high-frequency vibration environments;3. Transparent components made of high-quality materials with high light transmittance, good impact resistance, and strong anti-aging properties, ensuring normal operation in harsh environments;4. Housing made of lightweight alloy material, wear-resistant and corrosion-resistant, waterproof and dustproof, suitable for use in warehouses, trenches, and various indoor settings;5. Ultra-thin design, compact structure, small size, lightweight, and easy to handle;6. Good electromagnetic compatibility, does not cause electromagnetic interference to the surrounding environment or electrical equipment.7. Installation methods include wall-mounted and embedded types.Quality AssuranceThank you for purchasing Xinch Company's products. This product strictly adheres to the ISO9001:2000 international quality management system standards for quality control, ensuring product quality exceeds national standards and fully meets design requirements. The product comes with a 3-year warranty (light source warranty for 1 year). Within three years from the date of purchase, any malfunction under normal use will be repaired free of charge by our company (free of material and repair fees). more>

Negotiable

Category: Others

Company: 西安国盛激光科技有限公司

Product Description: Laser cleaning machines utilize high-frequency, high-energy laser pulses directed at the workpiece surface. The coating can instantly absorb the focused laser energy, causing instant evaporation or peeling of surface oil stains, rust, or coatings. This enables rapid and efficient removal of surface contaminants or coatings. With appropriately short laser pulses and suitable parameters, the metal substrate remains undamaged.Laser cleaning is not only suitable for removing organic pollutants but can also clean inorganic compounds, including metal rust, metal particles, dust, etc.1. Non-contact cleaning, does not damage the part substrate;2. Precise cleaning, enabling selective cleaning of exact positions and sizes;3. No chemical cleaning agents required, consumable-free, safe and environmentally friendly;4. Simple operation, can be handheld or integrated with robotic arms for automated cleaning;5. Ergonomic design, significantly reducing operational labor intensity;6. High cleaning efficiency, saving time;7. Stable laser cleaning system, almost maintenance-free;8. Optional mobile battery module available.It is important to note that laser cleaning equipment features high energy and high power, requiring professional operation and safety measures to ensure the safety of operators and the surrounding environment. more>

Negotiable

Category: Chemicals/Pharmaceutical Raw Materials/Amino Acids & Derivatives

Company: 孝感市宏龙麻糖米酒有限公司

Product Description: more>

$680

Category: Machinery & Equipment/Compression & Separation Equipment/Air Receiver Tanks

Company: 翔业（日照）环保设备有限公司

Product Description:       Through ingenious design, the fluidization disc has been effectively optimized. A base plate is welded at the center of its bottom end, allowing the air blown from the air outlet pipe to pass through the ventilation holes on the sidewall of the fluidization disc. This improvement not only prevents damage to the central part of the fluidization disc but also significantly extends its service life. Additionally, clamps and fastening bolts are used to securely fix the canvas to the inner wall of the fluidization disc, making installation and disassembly exceptionally convenient. At the same time, an annular groove is created on the ring, and a sealing ring is installed within it. This innovative measure enhances the sealing between the fluidization disc and the inner wall of the silo pump.       The characteristics of Xiangye's products are as follows:       The aeration plate demonstrates excellent air permeability and wear resistance. Its surface is treated with acid pickling and galvanization, showcasing strong anti-oxidation properties that effectively prevent rust. The combination of the aeration plate and the box shell utilizes high-temperature-resistant sealant, ensuring stability and durability in high-temperature environments.For different design lengths L, we can precisely determine the number of end cover plates and the arrangement of the bottom chute to meet specific customer requirements. In addition, we provide various types of aeration chutes, aeration boxes, and other devices, including circular aeration devices, based on users' special needs.     The porous plate is a high-strength aeration plate developed by our factory specifically for the characteristics of dry ash silos in power plants. This plate not only has a robust structure but also exhibits excellent aeration performance, effectively aerating dry ash silos.       In terms of product application, aeration devices and aeration chutes are essential auxiliary equipment for intermediate silos, hoppers, flat-bottom silos, and cone-bottom silos. They are typically installed at the bottom of material storage silos or on the sides of hoppers. During the discharge process, heated compressed air is introduced to fluidize the powdered or granular materials, thereby enhancing their flowability and making the discharge process smoother.The chute body is manufactured using a one-time molding process, ensuring the sealing of the box and its connections, preventing air leakage, and providing an aesthetically pleasing appearance. Before assembly, we perform shaping adjustments to eliminate all welding deformations and internal stresses, ensuring a smooth and flat bottom surface and flange connection surface. This series of meticulous processes and design concepts reflects our commitment to product quality and customer needs.      In summary, our products not only possess excellent aeration performance and wear resistance but also pay attention to detail and user experience. We believe that through our continuous efforts and innovation, we will provide customers with higher-quality and more efficient products and services.      Furthermore, we continuously explore and research new technologies and processes to adapt to the ever-changing market demands and customer requirements. We believe that only through constant innovation and progress can we remain invincible in this highly competitive market.``` more>

Negotiable

Category: Interwoven Fabric

Company: 绍兴新蓝图纺织品有限公司

Product Description: more>

Negotiable

Category: Chemicals/Carboxylic Acids/Lactic Acid

Company: 安徽新远科技股份有限公司

Product Description: 包装规格】20kg、25kg塑壶或180、200kg塑桶、铁桶包装。【储运注意事项】（1）除烯丙基、异丙基缩水甘油醚及正丁基缩水甘油醚外，其余为非危险品，按一般化学品贮运。（2）于避光、阴凉、通风、干燥的环境中密闭存放，贮存期为12个月。（3）本品在使用后，包装内剩余本品要盖紧，以防吸潮。（4）本品对皮肤和眼睛有刺激，若接触皮肤，用肥皂清洗；若接触到眼睛，用大量水冲洗。【主要技术指标】产品名称                        甲基四氢邻苯二甲酸二缩水甘油酯产品牌号                        XY813外观                               微黄色油状液体CAS号                            -色度（APHA）              ≤100粘度，25℃（mPa.s）   300～800环氧值（eq/100g）       0.56～0.63易皂化氯（%）              ≤1.0无机氯（mg/kg）         ≤50水分（%）                    ≤0.1 more>

Negotiable

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: 安徽新远科技股份有限公司

Product Description: 【Packaging Specifications】20kg, 25kg plastic containers or 180kg, 200kg plastic drums, iron drums.【Storage and Transportation Precautions】(1) Except for allyl, isopropyl glycidyl ether, and n-butyl glycidyl ether, the rest are non-hazardous and should be stored and transported as general chemicals.(2) Store in a sealed environment away from light, in a cool, ventilated, and dry place. The shelf life is 12 months.(3) After use, tightly seal the remaining product in the container to prevent moisture absorption.(4) This product may irritate the skin and eyes. If it contacts the skin, wash with soap; if it contacts the eyes, rinse thoroughly with plenty of water.【Main Technical Indicators】Product Name                        Glycidyl Ester of Versatic AcidProduct Grade                        XY810Appearance                               Transparent LiquidCAS Number                            26761-45-5Color (APHA)              ≤50Viscosity, 25℃ (mPa·s)   4～10Epoxy Value (eq/100g)       0.38～0.42Easily Saponifiable Chloride (%)              ≤0.15Inorganic Chloride (mg/kg)         ≤50Moisture Content (%)                     ≤0.1 more>

$1

Category: Chemicals/Intermediates/Plant Extracts

Company: 四川兴杰象药业有限公司

Product Description: Panax notoginseng leaf total saponins are extracted and refined from the dried leaves of the Panax notoginseng plant, belonging to the Araliaceae family. The appearance is a pale yellow to light brownish-yellow powder with a slight odor and a bitter taste followed by a slightly sweet aftertaste. It is hygroscopic and should be stored sealed in a cool, dry place. It is easily soluble in water, methanol, and ethanol, with its main components being various saponin compounds. more>

$1650/吨

Category: Chemicals/Phenols/Hydroquinone

Company: 河北富创新能源科技有限公司

Product Description: Asphalt SheetsSoftening point 145-155°Ash content ≤15%Toluene insoluble matter 26-32%Quinoline insoluble matter not testedCoking value ≥56%Fixed carbon ≥48%Volatile matter 40-50%Moisture content ≤2%Sulfur content ≤2.5%Asphalt sheets are characterized by strong durability, excellent anti-slip performance, good noise reduction properties, and simple construction. These features make asphalt sheets widely applicable in various fields.1. Strong durability: Asphalt sheets undergo special treatment, offering high durability and the ability to withstand long-term effects of natural environments and vehicle loads.2. Excellent anti-slip performance: The rough surface of asphalt sheets provides good anti-slip properties, enhancing road traffic safety.3. Good noise reduction performance: Asphalt sheets effectively absorb and reduce noise generated by vehicle traffic, improving the quality of life for residents.4. Simple construction: Asphalt sheets are easy to install and operate, shortening project cycles and reducing construction costs.The main applications of asphalt sheets include:1. Road construction: Used for paving various types of roads, such as highways, urban roads, and rural roads, improving road service life and safety performance.2. Building waterproofing: Widely used in building waterproofing projects to effectively prevent water penetration and protect structures from water damage.3. Hydraulic engineering: Applied in waterproofing and anti-leakage treatments for flood control dams, reservoir surfaces, and other projects.4. Anti-corrosion treatment: Due to their excellent corrosion resistance, they can be used for anti-corrosion treatment of various equipment, extending equipment service life.Direct sales from the factory at real prices, reliable quality and integrity, stable performance. Specialized in producing modified coal asphalt, medium-temperature coal asphalt, enterprise-standard high-temperature coal asphalt, enterprise-standard medium-temperature coal asphalt, coal asphalt sheets, petroleum asphalt sheets, etc. Fast shipping, custom processing available for solid asphalt, liquid asphalt, and asphalt sheets. more>

Negotiable

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: 郑州艾迪科技有限公司

Product Description: Active Gas Pressure Rapid Tester Technical ManualProduct OverviewThis device is developed based on the active pressure measurement and sealing method proposed by Academician Zhou Shining of the Chinese Academy of Sciences. It is a professional instrument specifically designed for measuring coal seam gas pressure. Featuring innovative sealing materials and a modular design, it is suitable for on-site detection needs in various coal seam bedding roadways.Technical Features1. Ease of Operation: Simplifies the sealing process for quick installation2. Measurement Reliability: New composite materials ensure accurate pressure transmission3. Economic Practicality: Main structure can be reused over 200 times4. Environmental Adaptability: Ensures stable measurement under coal seam conditions with f≥0.5Active Gas Pressure Rapid Tester Technical ParametersItem Specification Rated Pressure Standard 6MPa (supports 6-20MPa customization) Applicable Aperture Φ50-55mm/Φ70-90mm Sealing Depth 15-20m (slurry section 2-6m) Measurement Cycle 48-96 hours Single Section Length 2-2.35m Total Weight 70kg Dimensions 2380×180×170mm (before assembly)Usage Instructions1. Use bentonite aqueous solution as the sealing medium2. Recommended for use in coal seams with a firmness coefficient f≥0.53. Regularly check the sealing of steel pipe connections4. Data collection is recommended every 8 hoursMaintenance• Clean the pipe body promptly after use• Store in a dry and ventilated environment• Regularly calibrate the pressure sensor• Comprehensive inspection recommended quarterlyZhengzhou Aidi ProductionActive Gas Pressure Rapid TesterSupplies coal drill cuttings desorption instrument, deep hole sampling device, pressure measuring instrument, geological exploration desorption instrument, borehole flow meter, mine extraction and outburst prevention equipment, true density measuring instrument for coal, gas content measuring instrument, automatic initial gas emission rate measuring instrument, diffusion speed measuring instrument, gas parameter instrument for coal extraction pipelines, borehole coal powder circulation device more>

Negotiable

Category: Chemicals/Carbon Materials/Coke

Company: Hubei new DE sheng material science and technology co., LTD.

Product Description: Activated carbon is an efficient and environmentally friendly filtering material widely used in various liquid and gas phase filtration processes. Tris can play an important role in the filtration process of activated carbon. This article will provide a detailed introduction to the role and principle of Tris in activated carbon filtration. 1、 Characteristics of Tris Tris, also known as trimethylaminomethane, is a colorless crystal that is easily soluble in water. It has a lower melting and boiling point, and is stable at high temperatures, making it an ideal filtering additive. The role of Tris in activated carbon filtration 1. Improve the adsorption performance of activated carbon Tris can interact with activated carbon, changing its surface polarity and hydrophilicity, thereby improving its adsorption capacity for certain pollutants. Research has shown that Tris can effectively improve the adsorption efficiency of activated carbon for organic matter, heavy metals, and microorganisms. 2. Enhance the pollution resistance of activated carbon Tris can adsorb on the surface of activated carbon, forming a protective film to prevent further contact between pollutants and activated carbon. This not only reduces the blockage of pollutants in the pores of activated carbon, but also reduces the loss and waste of activated carbon. 3. Promote the desorption and recovery of pollutants Tris can desorb pollutants adsorbed on the surface of activated carbon through methods such as complexation, ion exchange, or chemical reactions. This process helps to improve the regeneration efficiency of activated carbon and extend its service life. Meanwhile, the desorbed pollutants can be further separated and purified for recycling and reuse. more>

Negotiable

Category: Chemicals/Hydrocarbons/Alkanes

Company: Hubei new DE sheng material science and technology co., LTD.

Product Description: Bis Tris propane is a zwitterionic buffer primarily used in biochemical and molecular biology research. Its main advantage lies in having two similar pKa values of 6.8 and 9.0, respectively, which gives it a very wide buffering range, approximately between pH 6.3 and 9.5. The pH of this buffer can be as low as 6-7, which makes it more suitable than Tris buffer for improving the stability and activity of restriction endonucleases. The application fields of Bis Tris propane are very extensive. In the study of DNA polymerase fidelity and PCR reactions, it has been used as a buffer with good results. In addition, it has also been used to maintain the stability of purified farnesyl pyrophosphate from mutant brewing yeast, as well as to study enzyme activity in some experiments. In protein research, Bis Tris propane is used for crystallization studies. In other biochemical and molecular biology studies, it is also used as a buffer. Bis Tris propane has excellent thermal stability and can be used at high temperatures. Meanwhile, due to its molecular structure design, Bis Tris propane is not toxic to most biomolecules, making it a very safe buffer. Overall, Bis Tris propane is a very important biological buffer that plays an important role in biochemical and molecular biology research. Its widespread application and unique characteristics make it an indispensable tool in scientific research. more>

Negotiable

Category: Chemicals/Laboratory Reagents/Other Chemical Reagents

Company: Hubei new DE sheng material science and technology co., LTD.

Product Description: The role of HEPES in cell culture process Cell culture is a commonly used biological research method that simulates the in vivo environment to allow cells to grow and reproduce in vitro. Maintaining an appropriate pH value of the culture medium is crucial for the growth and reproduction of cells during the cell culture process. HEPES, as a commonly used buffer, plays an important role in this process. 1、 Product Introduction The chemical name is 4-hydroxyethylpiperazine ethanesulfonic acid, which is a weak acid that can act as a biological buffer to maintain the stability of the pH value of the experimental system. Its molecular formula is C8H18N2O4S, and its CAS number is 7365-45-9. The appearance is white crystalline powder with good solubility, which is soluble in water and increases with temperature. 2、 Role in cell culture Maintain stable pH value of the culture medium During cell growth and metabolism, acidic substances such as lactic acid and carbon dioxide are produced, which can cause a decrease in the pH value of the culture medium. As a weak acid, HEPES can neutralize hydrogen ions in the culture medium, resist pH changes, maintain pH within an appropriate range, and provide a stable environment for cell growth and reproduction. Due to the independence of buffering capacity from CO2 concentration, it is an ideal buffer for maintaining culture pH when cell culture requires long-term operations outside of CO2. Non toxic side effects on cells Non toxic side effects on cells, suitable for various cell culture experiments. High concentrations can cause cytotoxicity, so when there is significant toxicity to specific cell lines or primary cell cultures, the concentration of this organic buffer should be reduced. Good stability It can remain stable for a long time at room temperature and is not easily decomposed or spoiled. However, when exposed to light, hydrogen peroxide is produced, which may be toxic to cultured cells or other biologically active objects. Therefore, when using it, it should be done in a dark environment as much as possible. 3、 Preparation method of buffer solution The preparation method is as follows: Weigh the required amount of HEPES, add an appropriate amount of distilled water to dissolve it, then adjust the pH value to the desired range with NaOH or HCl, and finally add distilled water to the required volume. It should be noted that when preparing buffer solution, appropriate concentration and pH range should be selected according to experimental needs. Generally speaking, lower concentrations are not sufficient to control pH fluctuations, while higher concentrations are usually toxic. Therefore, it is necessary to optimize the selection according to the experimental requirements. 4、 Summary HEPES, as a commonly used buffer, plays an important role in cell culture. It can maintain the pH stability of the culture medium, has no toxic side effects on cells, and has good stability. When using, it is important to avoid exposure to light to prevent the production of hydrogen peroxide, which can cause toxicity to cells. In addition, it is necessary to select an appropriate concentration and pH range for optimization based on experimental requirements. In summary, the use of HEPES helps to improve the efficiency and stability of cell culture experiments. more>

Negotiable

Category: Others

Company: Hubei new DE sheng material science and technology co., LTD.

Product Description: The Chinese name of CAPS is 3-cyclohexylaminopropanesulfonic acid, which belongs to the category of biological buffering agents. It appears as a white crystal or powder, soluble in water, with a pH buffer range of 8.9-10.3, and CAS number 1135-40-6. At present, the application fields of CAPS are very extensive, especially for DNA and RNA extraction kits, PCR diagnostic kits, biochemical diagnostic kits and welding materials, new coatings, industrial materials, etc. CAPS can be used for nucleic acid extraction by fusing with 3- (cyclohexylamino) -2-hydroxy-1-propanesulfonic acid (CAPSO) and 2- (cyclohexylamino) ethanesulfonate (CHES) to prepare a solution for nucleic acid hybridization. And it can reduce the productivity of non-specific hybrids, while improving the specificity of nucleic acid hybridization, which has important value in the identification of specific pathogens and the diagnosis of hereditary diseases. Furthermore, CAPS can be used in various environmentally friendly high-quality water-based two-component polyurethane coatings, and can coexist stably with active DNA containing resins for a long time at room temperature, making it widely used in the water-based coating market. In addition, CAPS can be used to prepare buffer solutions in capillary electrophoresis, terminate electrolytes, and enable online separation of 2-nitrobenzoic acid and 3-nitrobenzoic acid, while CAPS buffers are suitable for high molecular weight protein electrophoresis buffer solutions. Secondly, CAPS can be used as a buffer for biochemical diagnostic kits, DNA and RNA extraction kits, PCR diagnostic kits, and for enzyme chemistry and HPLC separation of alkaline drugs. In addition, it can also be used to manufacture fireworks, as analytical reagents, heat exchange carriers, and in pharmaceutical industry, air conditioning, fireworks, dry batteries and other applications. Desheng Biochemical has been developing biological buffering agents for many years and has rich experience. CAPS is one of its core products, and it also includes Tris, Tris HCL, BICINE, MOPS, TAPS, etc., to meet different customer groups. At present, all the biological buffer products of the company are sold to the market, with more than 800 customers. The product quality is good and the price is favorable. Interested parties can click on the official website or call for consultation, and we provide you with a one-stop professional procurement service! more>

Negotiable

Category: Chemicals/Chemical Intermediates/Intermediate Compounds

Company: Hubei new DE sheng material science and technology co., LTD.

Product Description: The application of EDTA disodium in blood collection EDTA disodium belongs to the EDTA series of products, and is commonly used as an additive in blood collection, including EDTA dipotassium, tripotassium, and disodium. Three types of blood collection additives have the effect of anticoagulation in the use of blood collection. Today, we will mainly discuss the application and current situation of disodium in blood collection. Disodium, which can be used as an additive in blood collection, belongs to the analytical grade. The appearance is white crystalline powder, odorless, easily soluble in water but insoluble in ethanol. It is a high-quality chelating agent that can chelate multiple metal ions and has strong ability to separate metals. In the experimental detection of coordination titration, it is often used in combination to detect the content of metal ions. Because the EDTA salt series can protect the cellular components of the blood from interference. It does not affect blood cell count, has little impact on its morphology, and can also inhibit platelet aggregation. It is commonly used in hematological tests. Before the widespread use of potassium dioxide, EDTA disodium was often used as an anticoagulant additive to prepare anticoagulant tubes, but now manufacturers have basically phased out this preparation method. EDTA dipotassium and tripotassium are commonly used in the preparation of anticoagulant additives, so disodium is basically no longer used. Mainly because EDTA dipotassium has a faster anticoagulation speed compared to disodium, a higher solubility than disodium, and a better anticoagulation effect, making it more suitable for emergency blood testing. The change in market demand has also led to its neglect. Hubei Xindesheng is a high-tech enterprise that produces blood collection additives. Its EDTA series products include EDTA dipotassium, tripossium, and EDTA disodium, all of which are analytical grade and widely used in the field of blood collection additives. We can customize according to your needs. If you have a need for blood collection additives, please call Xindesheng on the official website. We will provide professional and timely pre-sales guidance and after-sales service. more>

Negotiable

Category: Others

Company: Hubei new DE sheng material science and technology co., LTD.

Product Description: pH buffer is composed of weak acid (proton donor HA) and its conjugate base (proton acceptor A-). In water, HA can be decomposed into A- and H . H reacts with water to form H3O . In buffered aqueous solution, H3O , HA and H exist in equilibrium, and the buffer mechanism consists of two reversible reactions, in which the concentrations of proton donor and proton acceptor are equal. When a strong acid or base is introduced into the system through enzyme activity during the experiment, new ions (H or OH-) from the introduced acid or base are absorbed by the buffer, and the pH value remains stable to prevent changes in the structure and function of the protein. In some biochemical experiments, buffers play a vital role. This may also be the cause of your experiment failure. There are many types of pH buffers. You need to choose a suitable system according to the actual application. The buffer used in molecular biological experiments It has high requirements for buffering capacity and anti-interference to organisms. Let's take a look at the characteristics of TRIS buffers commonly used in molecular biology experiments. Tris (Trishydroxymethylaminomethane) can be regarded as a buffer commonly used in biochemical experiments, especially in molecular biology experiments. Because it has excellent buffering capacity, low toxicity, extremely low interference to biological reactions, and high purity. The advantages of Tris-HCl buffer are: Because the Tris base is relatively alkaline, this buffer system can be used to prepare buffers with a wide range of pH values ranging from acidic to alkaline;For biochemical processes The interference is very small and does not precipitate with calcium, magnesium ions and heavy metal ions. Since its establishment in 2005, Desheng has conducted considerable research on pH buffers, blood collection tube additives, color reagents, chemiluminescence reagents, etc. With rich production experience, it can provide customers with high-quality product raw materials. more>