Pure sodium? A lot of engines have "sodium cooled valves." They drill out the valve stem and fill it with metallic sodium, which melts at a low temperature. After the sodium melts, it sloshes around in the valve and pulls the heat away from the valve face, making the valve last longer and work better.
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Sodium is commonly used in commercial applications such as manufacturing of soaps, detergents, paper, textiles, glass, and as a de-icing agent for roads. It is also used in the production of chemicals like sodium hydroxide and sodium carbonate, as well as in the food industry as a food preservative and flavor enhancer. Additionally, sodium is used in some types of batteries and as a coolant in nuclear reactors.
Sodium hydroxide (NaOH) is formed.
Two things that you can use with sodium are chlorine to form table salt (sodium chloride) and water to produce sodium hydroxide and hydrogen gas through a chemical reaction.
Sodium silicate can typically be found in hardware stores, online retailers, specialty chemical suppliers, or industrial supply stores. It may be sold in liquid or powder form depending on the intended use.
Sodium thiosulfate itself does not have a strong smell. However, some commercial solutions containing sodium thiosulfate may have a slight sulfur-like odor due to impurities or decomposition products present in the solution.
The preferred modern name for the compound with the formula NaHSO4.H2O is "sodium acid sulfate monohydrate". This compound was formerly called "sodium bisulfate monohydrate", and some chemists still use the older name.