Cryogenic Freezing Usage Food Industry Application Cooling Materials Ln2 Liquid Nitrogen

Liquid nitrogen is a cryogenic liquid that is composed of nitrogen gas (N2) in a liquid state. It is extremely cold and has a boiling point of -195.79 degrees Celsius (-320.42 degrees Fahrenheit) at atmospheric pressure. To reach this low temperature, nitrogen gas must be compressed and cooled.

Here are some key points about liquid nitrogen:

1. Production: Liquid nitrogen is primarily produced by separating nitrogen gas from the air through a process called fractional distillation. During this process, air is cooled and compressed, causing it to condense into a liquid. The liquid is then further purified and stored in insulated containers.

2. Properties: Liquid nitrogen is colorless and odorless. It is also non-toxic; however, it can cause severe frostbite or burns if it comes into direct contact with skin or certain materials.

3. Uses: Liquid nitrogen has various applications in science, industry, and medicine. Some common uses include:

   • Cryogenic freezing: It is used to freeze and preserve biological samples, such as sperm, eggs, and tissues. It is also used in cryosurgery to remove skin lesions or treat certain cancers.

   • Food industry: Liquid nitrogen is used in the culinary field for flash freezing or creating unique textures and presentations in dishes like ice cream, cocktails, and frozen desserts.

   • Manufacturing: It is used for shrink fitting and assembling components, as well as cooling materials during machining and grinding processes.

   • Research and laboratories: Liquid nitrogen is used in laboratories for various analytical techniques, such as gas chromatography, mass spectrometry, and DNA sequencing.

   • Cryogenic storage: It is used to store and transport biological materials, such as cells, tissues, and cord blood, at very low temperatures.

4. Safety precautions: Because liquid nitrogen is extremely cold, safety precautions must be taken when handling it. Direct contact with skin or eyes should be avoided, as it can cause severe burns or frostbite. Adequate ventilation is necessary when using or storing liquid nitrogen, as the evaporation of the liquid can displace oxygen in an enclosed space. Proper training and protective equipment are essential for working with liquid nitrogen safely.

It's important to note that while liquid nitrogen has many beneficial applications, mishandling or improper use can be dangerous. Always follow proper safety guidelines and consult experts when working with or using liquid nitrogen.

Basic Info.
 

ShangHai CMC chemical Co.,ltd. is staffed by trained personnel, combine many years experience in Gas industry .We supply cylinder gas, electronic gas, etc ., and the gas holder, panel, valves and fittings and other equipment, parts and engineering services to our customers in China and worldwide; The products are involved in various industrial fields, such as semiconductor chip, solar cell, LED, TFT-LCD, optical fiber, glass, laser, medicine , etc., Our mission is to partner with our global customers to provide support, solutions and quality products that are innovative,reliable, and safe.
Our products mainly include: H2, O2, N2, Ar, CO2, propane, acetylene, helium, laser mixed gas,  SiH4, Sih2cl2, SiHCL3, SiCL4, NH3, CF4, NF3, SF6, HCL, N2O, doping mixed gas (TMB, PH3, B2H6) and other electronic gases.

Q: What is the min order?
 A: Different products have different min orders. It depends on the kind the gas and the cylinder specifications. Please feel free to contact me directly for your requirement.
Q: What is the package & storage details?
 A: Seamless steel cylinder with different valves, or as to your requirement.
Stored in the shady, cool, dry, ventilated warehouse, and keep away from sunlight and ramming.
Q: Shall we send back the cylinders to China to refill the gas again?
A: Yes, when you ordered our cylinders, next time, you can send back the cylinders to fill gas again. You just need to tell us before you export. We will handle all the import customs clearance formalities.
Q: What are your company's main sales products?
A: We mainly supply electronics specialty gas and mixtures needed by the electronics industry, such as NH3, SiH4, C4F8, O2, CF4, CO2, TEOS, etc.
Q: How to ensure the quality of your products?
A: We have passed the ISO 9001:2015 quality management system certification and ISO 14001:2015 environmental management system certification.
Q: How do you ship the product?
A: Usually we ship products by ocean shipping
Q: What is your advantage over other competitors?
A: We are a factory with excellent equipment and a high-quality control system, and our factory price is more competitive, fast shipment with high quality.
We have a full-time after-sales service providing solutions to various problems. After-sales service engineers standby 24 hours a day, and respond to customer needs when necessary at the first time.