As an inert gas, N2 is primarily used to control the atmosphere for sensitive equipment and experiments. At a temperature of -196° C (-320° F), nitrogen in its liquid form (LN2) can be used in tanks or freezers for maintaining samples in a cryogenic condition.

2022年7月18日 · Sometimes liquid nitrogen is denoted as LN 2, LN, or LIN. A United Nations Number (UN or UNID) is a four-digit code used to identify flammable and harmful chemicals. Liquid nitrogen is identified as UN number 1,977. At normal pressure, liquid nitrogen boils at 77 K (−195.8° C or −320.4° F).

Liquid nitrogen (LN 2) is nitrogen in a liquid state at low temperature. Liquid nitrogen has a boiling point of about −196 °C (−321 °F; 77 K). It is produced industrially by fractional distillation of liquid air.

Liquid nitrogen (LN2) is inert, colorless, odorless, non-corrosive, non-flammable, tasteless, extremely cold, and has no warning properties. It poses a risk of explosion if stored in unvented containers and asphyxiation if not used in well-ventilated areas.

Liquid Nitrogen Use • Be sure that all cryogen containers are clearly labeled with a cryogen warning and the cryogen’s name. • Do not directly touch or make contact with cryogenic liquids or uninsulated cryogenic equipment or pipes. Tongs can be used to withdraw objects immersed in a cryogenic liquid. • Avoid the path of boil-off gases.

Liquid Nitrogen (LN2, N2), is commonly used in UCSC research. Its properties allow for rapid cooling of materials, but also pose unique worker safety hazards. Below are guidelines for how to work with LN2 safely.

The use of LN2 or LAr in poorly ventilated or small areas may produce enough gaseous nitrogen to displace oxygen and create oxygen-deficient atmospheres under some conditions, due to large gas expansion ratios. An oxygen-deficiency risk assessment should …

Liquid nitrogen is commonly used across Monash University for the purposes of snap-freezing and long-term storage of biological samples and in cold traps on vacuum lines/equipment. 1. What is liquid nitrogen? LN 2 (liquid nitrogen) is a cryogenic liquid and is the liquefied form of nitrogen gas at atmospheric pressure and subzero temperature ...

Liquid nitrogen should be handled in well-ventilated areas. Handle the liquid slowly to minimize boiling and splashing. Use tongs to withdraw objects immersed in a cryogenic liquid - Boiling and splashing always occur when charging or filling a warm container with cryogenic liquid or when inserting objects into these liquids.

Almost every cryogenic industry uses liquid nitrogen (also known as LN2) at some point because liquid nitrogen is not only affordable but also very versatile. But what is liquid nitrogen (LN2) exactly? Why is it so popular, and what are its main applications? Read on for a comprehensive answer to these questions.