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Potassium Chloride

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potassium chloride

[pə′tas·ē·əm ′klȯr‚īd]
(inorganic chemistry)
KCl Colorless crystals with saline taste; soluble in water, insoluble in alcohol; melts at 776°C; used as a fertilizer and in photography and pharmaceutical preparations. Also known as potassium muriate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Potassium Chloride

 

KC1, a salt; colorless crystals. Density, 1.989 g/cm3; melting point, 768°C. Solubility, 34.7 g per 100 g H2O at 20°C (56.6 g at 100°C).

Potassium chloride occurs in nature as sylvite. Natural sylvinite (a mixture of sylvite, KC1, and halite, NaCl) and the mineral carnallite, KCl⋅MgCl2⋅6H2O, serve as the raw material in the the preparation of potassium chloride. Potassium chloride is used as a potassium fertilizer and as a raw material for the preparation of other potassium salts and potassium hydroxide. In medicine, potassium chloride solutions are used internally or intravenously for conditions accompanied by potassium deficiency (for example, during treatment with certain preparations or after persistent vomiting) and for cases of cardiac arrhythmia. [ll–639–4]

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Hiring untrained nursing staff, as in the case of the staff nurse who administered potassium chloride injection wrongly to Nishwa, is an act of crime.
Potassium chloride was given as a premixed solution containing 10 mmol of potassium chloride in 100 mL of water for injection.
By adding potassium chloride, the duration of analgesia can be significantly increased when compared to local anaesthetic alone group as addition of potassium ions outside a nerve cell causes reduction of the resting membrane potential and causes conduction blockade.
Production results for 1Q turned out to be very inspiring - in 1Q Uralkaliy built up output of potassium chloride by 8% vs the similar period of the previous year to 2.08 mn tons.
For many years, the regenerant of choice for water softening systems was plain table salt, sodium chloride, because it was cheap and plentiful; it was also an environmental pollutant, however, and Wist (1945-2007), a chemist with a potash company in Canada, helped develop the technology for using potassium chloride instead.
Until now, the Zielitz site has been producing potassium chloride as fertilizer for agriculture and technical potash for most diverse applications in processing industry", said the company.
"She was unaware that an overdose of potassium chloride was potentially fatal.
Edna Alker, of Orrell, died after she was given a fatal dose of potassium chloride by Rebecca Riley, a student from Liverpool's John Moores university.
To make a salt substitute, the sodium chloride is often replaced with potassium chloride. label says, "one-third less sodium," the product may be one-third potassium chloride.
To provide potassium, chloride in the form of potassium chloride in used in many commercial solid fertilisers, and the recommendation is to avoid these - try and stick to those which use only potassium nitrate.
One hundred sixty-one postmenopausal women (mean age, 58.6 years) with low bone mass (T score of -1 to -4) were randomly assigned to receive, in double-blind fashion, 30 mEq per day of potassium citrate or potassium chloride for 12 months.
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