Use of Cryogenic Liquids

A cryogenic liquid is a liquid with a boiling point below -100 °C at atmospheric pressure. Accidental contact with the skin leads to burns and when accidentally released into the atmosphere there is the risk of asphyxiation.

The most widely used cryogenic liquid at the laboratories of PoliTO is liquid nitrogen.

All those who use cryogenic liquids within the scope of research activities and those involved in transferring or drawing such liquids from large containers must:

• be adequately trained;
• wear suitable PPE.

Moreover, the laboratory must be kept as well ventilated as possible when loading cryogenic liquids.

For more information refer to the ‘Chemical laboratory safety guide  ’ (ITA).