Safety and occupational health instructions
9
2
Safety and occupational health instructions
CAUTION
Danger of injury to eyes and skin
Frostbites through liquid nitrogen
–
Liquid nitrogen has a temperature of
–196 °C and may cause
injuries similar to burns on skin or eye contact or cause frostbite.
•
Always use goggles and wear protective gloves when
opening the cooling casing and the grinding jar.
CAUTION
Use of liquid nitrogen
–
Retsch GmbH rules out any liability claims that may arise in the
use of liquid nitrogen or similar cooling agents.
•
Please observe the safety regulations of the cooling liquid
supplier.
2.1 General
This section summarises the general occupational health and safety guidelines for the handling
of liquid nitrogen.
CAUTION
Handling liquid nitrogen
General hazardous situations
–
The following hazardous situations may arise in the handling of liquid
nitrogen: oxygen deficiency situations, cryogenic burns, danger of
explosion, oxygen enrichment
•
All users must be informed about the dangers of working with liquid
nitrogen in order to be able to work safely.
