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Topic: Sodium

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In the News (Wed 17 Apr 19)

To illustrate, the following are sources of sodium in the diet.
When you must reduce the amount of sodium (salt) you eat, be aware of both natural and added sodium content.
A statement of sodium content must be on labels of antacids that have 5 mg or more per dosage unit (tablet, teaspoon, etc.).
www.americanheart.org /presenter.jhtml?identifier=4708   (336 words)

 Sodium - LoveToKnow 1911
Sodium carbonates are also widely dispersed in nature, forming constituents of many mineral waters, and occurring as principal saline components in natron or trona lakes, as efflorescences in Lower Egypt, Persia and China, and as urao in Mexico, Colombia and Venezuela.
Sodium is largely employed in the manufacture of cyanides and in reduction processes leading to the isolation of such elements as magnesium, silicon, boron, aluminium (formerly), andc.; it also finds application in organic chemistry.
Sodium is excreted by all the mucous surfaces and by the liver and kidneys.
www.1911encyclopedia.org /Sodium   (3230 words)

 Sodium - Wikipedia, the free encyclopedia
Sodium is a soft, waxy, silvery reactive metal belonging to the alkali metals that is abundant in natural compounds (especially halite).
Sodium chloride or halite, better known as common salt, is the most common compound of sodium, but sodium occurs in many other minerals, such as amphibole, cryolite, soda niter and zeolite.
Sodium must be stored either in an inert (oxygen and moisture free) atmosphere (such as nitrogen or argon), or under a liquid hydrocarbon such as mineral oil or kerosene.
en.wikipedia.org /wiki/Sodium   (1948 words)

 Sodium hydroxide - Wikipedia, the free encyclopedia
Sodium hydroxide does not attack iron or copper, but many other metals such as aluminium, zinc and titanium are attacked rapidly.
Sodium hydroxide reacts readily with carboxylic acids to form their salts, and it is even a strong enough base to form salts with phenols.
For the manufacture of biodiesel, sodium hydroxide is used as a catalyst for the transesterification of methanol and triglycerides.
en.wikipedia.org /wiki/Sodium_hydroxide   (1810 words)

Sodium (Na) is the predominant cation in extracellular fluid and its concentration is under tight homeostatic control.
A substantial portion of sodium in foods is hidden in the sense that it occurs in foods that are moderate in sodium content and that are not thought of as salty foods, e.g., processed grain and cereal products, but which are consumed regularly.
Sodium reduction among normotensives is primarily designed to effect a downward shift in the average blood pressure in the population, with consequent impact in preventing a large number of cardiovascular disease deaths.
www.tjclarkminerals.com /minerals/sodium.htm   (821 words)

 Sodium   (Site not responding. Last check: )
Sodium is present in fair abundance in the sun and stars.
Sodium is the fourth most abundant element on earth, comprising about 2.6% of the earth's crust; it is the most abundant of the alkali group of metals of which it is a member.
Sodium is a soft, bright, silvery metal which floats on water, decomposing it with the evolution of hydrogen and the formation of the hydroxide.
www.scescape.net /~woods/elements/sodium.html   (410 words)

 Encyclopedia :: encyclopedia : Sodium   (Site not responding. Last check: )
Sodium floats in water, as well as decomposing it to release hydrogen gas and hydroxide ions.
Sodium's powdered form is highly explosive in water and a poison combined and uncombined with many other elements.
Sodium must be stored either in an inert atmosphere, or under mineral oil (normally under kerosene).
www.hallencyclopedia.com /Sodium   (992 words)

 Linus Pauling Institute at Oregon State University
Sodium (Na) and chloride (Cl) are the principal ions in the fluid outside of cells (extracellular fluid), which includes blood plasma.
Sodium and chloride are electrolytes that contribute to the maintenance of concentration and charge differences across cell membranes.
Because sodium is the primary determinant of extracellular fluid volume, including blood volume, a number of physiological mechanisms that regulate blood volume and blood pressure work by adjusting the body's sodium content.
lpi.oregonstate.edu /infocenter/minerals/sodium/index.html   (3146 words)

 Maine Health and Environmental Testing Lab - Sodium
Individuals on a low sodium diet due to high blood pressure, or other health problems, should consult their physician about drinking water on a daily basis which exceeds that level.
Sodium contamination is most often caused by road salt runoff, road salt storage or salt water intrusion.
If the sodium level is caused by a water softener, you may need to change the method of treatment.
www.maine.gov /dhs/etl/sodium.htm   (333 words)

 Sodium   (Site not responding. Last check: )
Sodium, Na, is a Alkali Metal element, found in Group Ia of the periodic table.
Sodium metal is isolated by the electrolysis of fused caustic soda.
Sodium metal is highly reactive and tarnished readily in air due to the formation of a layer of Sodium Oxide on the surface of the metal.
www.ucc.ie /ucc/depts/chem/dolchem/html/elem/elem011.html   (309 words)

 Sodium (Na) - Chemical properties, Health and Environmental effects
Sodium doesn’t react with nitrogen, not even at very high temperatures, but it can react with ammonia to form sodium amide.
Sodium is also a component of sodium chloride (NaCl) a very important compount found everywhere in the living environment.
Sodium salts are found in seawater (1.05%), salty lakes, alkaline lakes and mineral spring water.
www.lenntech.com /Periodic-chart-elements/Na-en.htm   (716 words)

Sodium is the sixth most abundant element on earth, comprising about 2.6% of the earth's crust; it is the most abundant of the alkali group of metals of which it is a member.
Metallic sodium is vital in the manufacture of sodamide and esters, and in the preparation of organic compounds.
Mfr of sodium cmpd, such as cyanide, azide, peroxide, itc; in mfr of tetraethyl lead; in org syntheses; for photoelectric cells; in sodium lamps; allpyed with potassium in heat transfer media.
www.speclab.com /elements/sodium.htm   (850 words)

 Nutrition Fact Sheet: Sodium, Nutrition, Feinberg School of Medicine
Sodium is the primary electrolyte that regulates the extracellular fluid levels in the body.
Sodium is essential for hydration because this mineral pumps water into the cell.
Excessive consumption of sodium on a regular basis is often associated with hypertension and edema.
www.feinberg.northwestern.edu /nutrition/factsheets/sodium.html   (362 words)

By contracting under the influence of sodium, arterioles effectively increase the resistance to blood movement and lessen the volume of blood that is returned to the heart.
Sodium is also hidden as a part of other chemical additives, such as sodium nitrate, sodium benzoate saccharin, and monosodium glutamate.
The best way to decrease your sodium intake is to become more aware of the sources of sodium in your diet and to moderate your intake of salty food and table salt.
health.rutgers.edu /factsheets/sodium.htm   (920 words)

 ENIVA: Sodium   (Site not responding. Last check: )
The use of sodium and potassium to reduce toxicity and toxic side effects from lithium.
Oral rehydration solution containing 90 millimol sodium is safe and useful in treating diarrhoea in severely malnourished children.
Sodium concentrations in solutions for oral rehydration in children with diarrhea.
www.eniva.com /products/mfl_sodium.html   (340 words)

 Food Data Chart - Sodium
Sodium occurs naturally in many foods and is also added in the form of salt or other sodium-containing substances.
Common salt or table salt is a chemical compound of sodium and chlorine and is called sodium chloride.
A safe intake is considered to be between 0.9 and 2.3 grams of sodium per day, although in special circumstances, such as excessive sweating and diarrhoea, higher levels may be needed.
www.healthyeatingclub.com /info/books-phds/books/foodfacts/html/data/data5a.html   (668 words)

 EPA Ground Water & Drinking Water > Drinking Water Contaminant Candidate List > Sodium in Drinking Water
On the other hand, sodium levels in drinking water are usually low and unlikely to be a significant contribution to adverse health effects.
Therefore, sodium is listed, not as a Regulatory Determinations Priority, but as a Research Priority to allow time to evaluate and revise the Agency guidance.
No. Sodium levels in drinking water from most public water systems are unlikely to be a significant contribution to adverse health effects.
www.epa.gov /safewater/ccl/sodium.html   (919 words)

One is that sodium retention induces water retention (increased bodily fluid volume), which releases a digitalis-like substance that increases the contractile activity of heart and blood vessels.
For example, sodium appetite is increased in rats by inducing the syndrome of apparent mineralocorticoid excess [6, 7].
Sodium depletion is of primary concern during hard-core training sessions, where sodium loss is rapidly increased [30].
www.abcbodybuilding.com /magazine03/sodium.htm   (5514 words)

 WebElements Periodic Table of the Elements | Sodium | Essential information
The chemistry of sodium is dominated by the +1 ion Na Sodium salts impart a characteristic orange/yellow colour to flames and orange street lighting is orange because of the presence of sodium in the lamp.
Isolation: sodium would not normally be made in the laboratory as it is so readily available commercially.
Sodium chloride has a high melting point (> 800°C) meaning that it sould be expensive to melt it in order to carry out the electrolysis.
www.webelements.com /sodium   (626 words)

Sodium is one of the big 8 elements in the Earth's crust, being the sixth most abundant element at about 2.8% by weight.
Sodium chloride is used for the extraction of metallic sodium and gaseous chlorine, as well as for preparation of other compounds of these elements.
The properties of liquid sodium metal make it useful as a coolant in fast breeder reactors and as a heat transfer agent for very high temperature reactions.
hyperphysics.phy-astr.gsu.edu /hbase/pertab/na.html   (224 words)

 Sodium: The Test
Blood sodium testing is used to detect hyponatremia (low sodium) or hypernatremia (high sodium) associated with dehydration, edema, and a variety of diseases.
Urine sodium levels are typically tested in patients who have abnormal blood sodium levels to help determine whether an imbalance is from taking in too much sodium or losing too much sodium.
A low level of blood sodium means you have hyponatremia, which is usually due to too much sodium loss, too much water intake or retention, or to fluid accumulation in the body (edema).
www.labtestsonline.org /understanding/analytes/sodium/test.html   (760 words)

 It's Elemental - The Element Sodium
Although sodium is the sixth most abundant element on earth and comprises about 2.6% of the earth's crust, it is a very reactive element and is never found free in nature.
Sodium is used in the production of titanium, sodamide, sodium cyanide, sodium peroxide, and sodium hydride.
Sodium vapor is used in streetlights and produces a brilliant yellow light.
education.jlab.org /itselemental/ele011.html   (148 words)

Sodium is the fourth most abundant element on earth, comprising about 2.6% of the earth's crust; it is the most abundant of the alkali group of metals.
Sodium, avery reactive element, is never found free in nature.
The metal may be used to improve the structure of certain alloys, to descale metal, and to purify molten metals.
www.corrosionsource.com /handbook/periodic/11.htm   (394 words)

Sodium is normally recycled in the body and it is only necessary to eat enough sodium to replace your daily losses.
Sodium may be lost by the body through perspiration, secretions, and normal excretory functions.
Sodium is also hidden as a part of other chemical additives, such as sodium nitrite, sodium benzoate saccharin, sodium, and monosodium glutamate.
health.rutgers.edu /nutrition/sodium.htm   (660 words)

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