Potassium argon dating labs
Too little or too much potassium in the body is fatal; however, potassium in the soil ensures the presence of this indispensable element in food.
The other chief sources of potash are Germany, Russia, Belarus, India, Chile, and Israel.
Seawater, brines, and ashes of vegetation are also used as sources of potash.
Potassium chloride, KCl, is a naturally occurring potassium salt that, aside from its use as fertilizer, is also a raw material for the production of other important potassium compounds.
Most potassium is present in igneous rocks, shale, and sediment in minerals such as muscovite and orthoclase feldspar that are insoluble in water; this makes potassium difficult to obtain.
As a result, most commercial potassium compounds (often loosely called potash) are obtained via electrolysis from soluble potassium compounds, such as carnallite (KMg Cl), which are found in ancient lake beds and seabeds.
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(Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).