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Sodium Citrate

Chemistry Project.

Marissa Luquette

on 21 May 2013

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Transcript of Sodium Citrate

Questions Sodium Citrate itself was never isolated by any one person;
however, in 1807 Sir Humphry Davy discovered the element Sodium, so most give him the credit for leading to its discovery. Sodium Citrate is used mainly as an emulsifier for oils in dairy products such as cheese, but is also used as an acidity regulator in some beverages and an anti coagulant in donated blood. For these reasons, it is considered quite common. The Discovery of Sodium Citrate There are three different formulas for
Sodium Citrate, but the most common
is that of trisodium citrate, or Na3C6H5O7.
Sodium Citrate is an ionic bond. Every time
Sodium is in a bond, it will be ionic because
it is a metal. Atomic Structure Properties The physical properties of Sodium Citrate include:
-Appearance: white crystals
-Odor: odorless
-Solubility: 72g/100g
-Density: ca 1.7
-pH: ca 8.0
A chemical property of Sodium Citrate is that is reacts with carbon dioxide and carbon monoxide. Modern Use of Compound Today, Sodium Citrate is used mainly in the kitchen where you would least expect it...Mac and Cheese! Sodium Citrate is an emulsifier for oils, meaning it prevents the cheese from being greasy when it melts. It is also used as an acid regulator in drinks such as Orange Juice, and an anticoagulant in donated blood, making sure it doesn't clot. The formula for trisodium citrate is molasses+citric acid=trisodium citrate. Sodium Citrate is meant to be stored away from heat, moisture and light, and disposed of in an air tight container. What are two uses of sodium citrate today? By Marissa Luquette, 4th period Sodium Citrate How is trisodium citrate formed?
(Hint: Molasses+_______=Trisodium Citrate
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