Cole-Parmer offers aluminium casing dewar flasks with handles, which are used for carrying and pouring liquid nitrogen.
The dewar flasks are suitable for use with cold traps for vacuum/pressure pumps.
They are available in seven sizes from 300mL up to 2.5L.
Spherical dewar flasks are used to safely store and transport LN2 with only 0.015litre/hr evaporation on a five-litre vessel when covered.
Available in one/three/five litres, dish-shaped dewars are suitable for tempering pestles and small flasks or for use as an immersion bath for hot and cold fluids.
They hold LN2 for a long time without the need for additional cooling.
Available in 500mL/1,900mL.