Potassium sodium L-(+)-tartrate; Rochelle salt; Seignette salt

Rochelle salt was originally used in medicine as a mild purgative.

(Many substances, such as Rochelle salt, are clear and strong dipoles).

No. 304-59-6) is the sodium potassium salt of l−(+)−tartaric acid and is also called the Rochelle salt.

They were able to demonstrate that if certain crystals (such as quartz, tourmaline, topaz, and Rochelle salt) were squeezed, then a current of electricity would flow through them.