|
Overview: Potash is the term generally given to potassium chloride, but it is also loosely applied to the various potassium compounds used in agriculture: po- tassium sulfate, potassium nitrate or double salts of potassium and magne- sium sulfate (generally langbeinite, K S0 ? 2MgS0 ). Sometimes the var- 2 4 4 ious compounds are differentiated by the terms muriate of potash, sulfate of potash, etc. When referring to ores, or in geology, all of the naturally- found potassium salts are called "potash ores". However, originally potash referred only to crude potassium carbonate, since its sole sou
|