from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See potassium carbonate.
- n. See potassium hydroxide.
- n. Any of several compounds containing potassium, especially soluble compounds such as potassium oxide, potassium chloride, and various potassium sulfates, used chiefly in fertilizers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer
- n. an impure form of potassium carbonate (K2CO3) mixed with other potassium salts
- n. in the names of compounds of the form "... of potash", potassium (for example, "permanganate of potash" = potassium permanganate)
from the GNU version of the Collaborative International Dictionary of English
- n. The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash.
- n. The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).
from The Century Dictionary and Cyclopedia
- n. A substance obtained by leaching wood-ashes, evaporating the solution obtained, and calcining the residuum; one of the fixed alkalis; the so-called vegetable alkali; more or less impure or crude potassium carbonate, or carbonate of potash as formerly generally (and still very frequently) designated; any combination of which potassium forms the base, whether containing oxygen or not.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a potassium compound often used in agriculture and industry
While on this subject of caustic potash, it cannot be too often repeated that _caustic potash_ is a totally different article to _caustic soda_, though just like it in appearance, and therefore often sold as such.
Thus, for instance, all those salts which are formed by the combination of the sulphuric acid with any of the salifiable bases are called _sulphats_, and the name of the radical is added for the specific distinction of the salt; if it be potash, it will compose a _sulphat of potash_; if ammonia, _sulphat of ammonia_, &c.
But it is commonly obtained from blood, by strongly heating that substance with caustic potash; the alkali attracts the acid from the blood, and forms with it a _prussiat of potash_.
Demand in potash soaring thanks to developing countries
Shareholders must now put their faith in potash prices really being in a secular bull market, a case predicated partly on notoriously cyclical crop prices.
It's likely the two sides had trouble seeing eye-to-eye on long-term potash prices, and decided to instead negotiate smaller shipments over shorter time frames, said Ravi Sood, chief executive officer of Lawrence Asset Management in Toronto.
* BHP plans to invest $240 mln in Canada's Jansen project * Move may threaten strength of long-term potash pricing *
As farming returns to health, long-term potash demand looking good
Sales and prices dropped dramatically last year, after the price increases, but shorter-term potash prices have recently climbed to as high as $430.
[CPC] was a reportedly approached in December by the Indian Department of Fertilizer to sign a long-term potash plant pricing agreement.