The fruits when triturated with a solution of caustic potash evolve a most unpleasant odour.
First prepared from indigo by means of caustic potash, found in coal, 1834.
A weak solution of pure or caustic potash operates very rapidly.
I went to a doctor, who burnt out my yaws with caustic potash.
The most important material, however, is the caustic potash lye which should average 40° Tw.
It may also be obtained by distilling ergot of rye with caustic potash.
Crush a bit of dried sponge, or boil a bit of soft sponge in caustic potash and mount on a glass slide.
Carbon dioxide (CO²) is absorbed by a solution of caustic potash.
Render the distillate strongly alkaline with caustic potash and redistil.
Add solution of caustic potash or lime, as long as there is a brown precipitate.