LYCOS RETRIEVER 
Sodium: Waters
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Sodium is the chemical element in the periodic table that has the symbol Na (Natrium in Latin) and atomic number 11. Sodium is a soft, waxy, silvery reactive metal belonging to the alkali metals that is abundant in natural compounds (especially halite). It is highly reactive, burns with a yellow flame, reacts violently with water and oxidizes in air necessitating storage in an inert environment.
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Sodium is not always bad. In fact, for healthy people, the recommended levels are essential for proper body function. Sodium helps maintain blood pressure, nerve function, normal muscle impulses and the body's correct balance of water and minerals. However, many people consume far more sodium than they need (Source: USDA Dietary Intake data).
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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. In turn, potassium pumps the by-products of cellular processes out of the cell, eventually eliminating these "wastes" from the body.
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Sodium's powdered form is highly explosive in water and is a poison when combined or uncombined with many other elements. This metal should be handled carefully at all times. Sodium must be stored either in an inert atmosphere, or under a liquid hydrocarbon such as mineral oil or kerosene.
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Sodium carboxy methyl starch is a starch ether and in solution form it is alkaline in nature. It can ... replace sodium carboxy methyl cellulose in fields like textile sizing, printing, corrugated paper, paper sizing, oil well drilling, water based distemper, oil bound distemper, electrodes, ceramics, pesticides, foundry, adhesives etc.
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Sodium benzoate is a white, crystalline solid and is a hygroscopic material. Therefore, the container must be kept closed when not in use. It will easily dissolve in water, forming a transparent, colorless solution.
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