AS is well known, the world's supply of potash during the last three years has been greatly curtailed owing to the present isolation of Germany, and compounds of potassium have, con sequently ...
Safflower may be easily recognized by its color being discharged by caustic potash or soda. Madder colors when treated with hy- drochloric acid, acquire a yellow or orange tint without any shade ...
The residue in the retort was shaken with a few drops of a solution of caustic potash and about an ounce of ether. The etherial solution evaporated on a watch glass gave a mass in which the ...