sodium wire

If required perfectly dry, it should be allowed to stand over sodium wire.

Solvents must be clearly marked if sodium wire or other drying agent has been added.

Diisopropylamine can be dried by distillation from potassium hydroxide (KOH) or drying over sodium wire.

A very effective way to remove any traces of water from THF is by reflux with sodium wire in the presence of a small amount of benzophenone.

Diethyl ether - just plain ether to most of us - needs to be scrupulously dry for some experiments, and the normal method of drying is to use sodium wire in the bottle.

In former times, the sodium was commonly provided in the form of "sodium wire" or "sodium sand", a fine dispersion of sodium prepared by melting sodium in refluxing xylene and rapidly stirring.