As of 2014, liquid nitrogen can be purchased commercially from many online retailers, such as Praxair and AirProducts, and it can also be purchased on Amazon. Liquid nitrogen is nitrogen that is held at very low temperat... More » Science Chemistry Chem Lab

Liquid nitrogen is available from many industrial suppliers as well as from online retailers. For example, Praxair in the United States sells compressed nitrogen gas and liquid nitrogen in various quantities. More » Science Chemistry Solutions & Mixtures

The boiling point for liquid nitrogen is approximately -321 degrees Fahrenheit. Liquid nitrogen has a variety of uses but can be dangerous if not handled properly. More » Science Chemistry States of Matter

There are several ways of separating nitrogen and oxygen. The first involves cooling the mixture down to -200 degrees Celsius and separating the gases using a process called fractional distillation. Alternatively, the ga... More »

Used lab equipment is available online through retailers such as Analytical Instruments and, who test all equipment to manufacturer’s standards before reselling. Individual and commercial sellers als... More » Science Chemistry Chem Lab, and Flinn Scientific, Inc are online retailers that sell lab safety posters as of 2015. is another source of specific safety posters available in different languages that are ava... More » Science Chemistry Chem Lab

The distance of the buyer to the production plant, the cost of natural gas and the way liquid nitrogen is packaged and handled factor into the price of liquid nitrogen. There is a direct correlation between the first two... More » Business & Finance Industries