Safety and occupational health instructions
12
2.4.4 General rules of conduct for splashes with liquid nitrogen
2.4.4.1
To the eyes
• Rinse eyes with much water for 15 min.
• Follow the company instructions for emergencies.
• Consult a doctor
2.4.4.2
On the skin
• Do not rub.
• If possible remove or loosen clothing.
• Slowly and gradually warm the parts affected.
• Do not apply anything to the burnt area.
• Follow the company instructions for emergencies.
• Consult a doctor.
Both lists are not complete.
2.5 Danger of explosion
2.5.1 Dangers
The evaporation of liquid nitrogen may lead to an overpressure in the vessel.
2.5.2 Causes
An increase in the vessel may be attributable to:
– incorrect set-up (use of a closable lid)
– icing on the neck and on the insulating lid
This list is not complete.
2.5.3 Recommendations
To avoid the danger of explosion:
• Always use suitable insulating lids (pay attention to waste gas opening).
• Observe filling levels to avoid the formation of ice on the insulating lid.
• Set up the vessel in dry and roofed rooms.
• Monitor atmospheric humidity in the installation room.
• Check vessel regularly for the collection of condensed water.
•
Check vessel regularly for damage to surface or material damage
This list is not complete.
2.5.4 General conduct in the case of an accident
In the case of an accident from oxygen deficiency the following regulations should be observed.
• Secure the surrounding area to avoid any subsequent accidents.
• Act quickly.
•
The rescuers must take measures to protect themselves (respiratory
protection device).
• Move the injured persons from the hazardous area.
• Observe the company instructions for emergencies.
