potash is used principally as a component of fertilizers in agriculture.
Nitre, or "nitrate," is a native nitrate of potash, or nitrate of soda.
From a solution of chromate of potash and diacetate of lead, as chrome yellow.
When nitre is burned with sulphur, the product is sulphate of potash, etc.
Lemon juice and vinegar are merely acetates and citrates of potash, and are not as good.
These ingredients are nitrogen, phosphoric acid, and potash.
A word or two may be added on the effect of the two forms of potash—viz., as the sulphate and as the muriate.
Prior to the war the United States obtained its potash from Germany.
Bichromate of potash comes in the form of lumps and crystals.
The latter is a carrier of potash, and is a preservative of nitrogen.
1751, earlier -pot-ashes (1640s), a loan-translation of older Dutch potaschen, literally "pot ashes" (16c.); so called because it was originally obtained by soaking wood ashes in water and evaporating the mixture in an iron pot. Cf. German Pottasche, Danish potaske, Swedish pottaska, all also from Dutch. See also potassium. French potasse (1570s), Italian potassa are Germanic loan-words. The original plural was pot-ashes.