Potassium Definition–noun Chemistry. | a silvery-white metallic element that oxidizes rapidly in the air and whose compounds are used as fertilizer and in special hard glasses. Symbol: K; atomic weight: 39.102; atomic number: 19; specific gravity: 0.86 at 20°C. | |
From Dictionary
Related topics from Britannicapotassium
chemical element of Group 1 (Ia) of the periodic table, the alkali metal group, indispensable for both plant and animal life. Potassium was the first metal to be isolated by electrolysis, by the ...
potassium deficiency
condition in which potassium is insufficient or is not utilized properly. Potassium is a mineral that forms positive ions (electrically charged particles) in solution and is an essential constituent ...
potassium-argon dating
method of determining the time of origin of rocks by measuring the ratio of radioactive argon to radioactive potassium in the rock. This dating method is based upon the decay of radioactive ...
sodium-potassium pump
in cellular physiology, a protein that has been identified in many cells that maintains the internal concentration of potassium ions [K+] higher than that in the surrounding medium (blood, body ...
Rochelle salt
a crystalline solid having a large piezoelectric effect (electric charge induced on its surfaces by mechanical deformation due to pressure, twisting, or bending), making it useful in sensitive ...
nutritional disease
Potassium is widely distributed in foods and is rarely deficient in the diet. However, some diuretics used in the treatment of hypertension deplete potassium. The mineral is also lost during ...
chemical industry
The simplest part of this diagram is the portion representing potassium. The element potassium is seventh in order of abundance in the Earth's crust, about the same order as sodium, which it ...
nervous system
There are several types of voltage-dependent potassium channels, each having its own physiological and pharmacological properties. A single neuron may contain more than one type of potassium channel.cell
Human red blood cells contain a high concentration of potassium and a low concentration of sodium, yet the plasma bathing the cells is high in sodium and low in potassium. When whole blood is stored ...
chemical bonding
Chemistry, though, is a subtle subject, and its variety depends on that subtlety. The detail needed at this point (but which will not be unduly dwelt upon) is that the effects of penetration and ...
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Related topics from Ask NewsHospira Issues Voluntary Recall of One Lot of 20meq Potassium ...
Drugs.com - Found Dec. 12, 2008
18 of one lot (lot number 65-620-FW, expiration date May 1, 2010, NDC 0409-7902-09) of 20 mEq Potassium Chloride in 5% Dextrose and 0.45...
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Hospira Issues Voluntary Recall Of One Lot Of 20meq Potassium ...
FDA MedWatch - 20 mEq Potassium Chloride in 5% Dextrose and 0.45% ...
Pharma Live - Found Dec. 9, 2008
... a recall of one lot (lot number 65-620-FW, expiration date May 1, 2010, NDC 0409-7902-09) of 20 mEq Potassium Chloride in 5% Dextrose and 0.45...
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Potassium Loss Caused by Thiazides Explains Higher Risk of Diabetes
Diabetes in Control - Found Dec. 9, 2008
A drop in blood potassium levels caused by diuretic thiazides could be the reason why hypertensive patients taking these drugs are at higher risk for ...
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Potassium may help lower blood pressure
Ottawa Citizen - Found Dec. 6, 2008
NEW YORK (Reuters Health) - Research shows that boosting levels of potassium in the diet may lower a person's risk of developing high blood pressure
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Use of Potassium Nitrate Reduces Pain at Dental Hygiene Appointments
Dentistry Today - Found Dec. 4, 2008
Managing the pain many patients feel at dental appointments might become easier since compounds containing potassium nitrate have been shown to
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Potassium Builds Lean Mass
IDEA Health and Fitness Association - Found Dec. 3, 2008
... potassium levels had a higher percentage of lean mass than those with lower potassium levels. “Higher intake of foods rich in potassium, such...
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Potassium loss from blood pressure drugs may explain diabetes risk
John Hopkins University - Found Dec. 15, 2008
... but also deplete important chemicals including potassium, so those who take them are generally advised to eat bananas and other potassium-rich...
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Potassium Loss From Blood Pressure Drugs May Explain Higher Risk Of ...
ScienceDaily - Found Dec. 1, 2008
"Previous studies have told us that when patients take diuretic thiazides, potassium levels drop and the risk of diabetes climbs to 50 percent," says ...
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Ask yourself: Are all white foods bad?
Orlando Sentinel - Found 3 hours ago
True or false? 3. Potatoes are a good source of potassium. True or false? 4. Pasta is a good source of protein. True or false?
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