Examples from the Web for non-volatile
When the base is insoluble in water, and non-volatile, but existing in the plant as a soluble salt.
Distillation separates all non-volatile matter, including organised bodies.Cooley's Practical Receipts, Volume II|Arnold Cooley
These artificial metals are both absolutely infusible and non-volatile.Invaders from the Infinite|John Wood Campbell
A correction for the non-volatile impurities may be made by running a bichromate test on the residue at 160° C.Soap-Making Manual|E. G. Thomssen
Turning now to the non-volatile and oxygenized bases, we take up first the opium alkaloids.