2009

SUnknownMake Iodine from Sulfuric acid and Alkali Metal Iodide

Fri, Mar 27, 2009

Molecular iodine is produced by simply treating sodium iodide with concentrated sulfuric acid.

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SUnknownMake Iodine from an Alkali Metal Iodide, Hydrochloric Acid and Hydrogen Peroxide

Thu, Apr 02, 2009

Iodine as an alkali iodide is reduced to elemental iodine which is purified by vaporization and crystallization.

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SUnknownGet Lithium Metal from an Energizer Battery

Fri, Jun 12, 2009

Rechargable lithium batteries contain a coiled strip of lithium metal that can be useful in various chemical reactions. The strip can be removed from a battery but it takes a bit of effort and some precautions are necessary. Here is a demonstration of how to extract the lithium strip.

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SUnknownHow to Make Aluminum Nitrate Nonahydrate

Fri, Nov 27, 2009

Aluminum nitrate nonahydrate is prepared from aluminum foil and isolated by crystallization.

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SUnknownMake Wildfire (Trimethyl Borate) from Game of Thrones

Tue, Jul 26, 2016

Nurdrage generates the green flame reminiscent of wildfire in Game of Thrones by burning borax dissolved in methanol. But the sodium in the borax adds yellow to the flame. So Nurdrage converts the borax to trimethyl borate which requires a long fractional distillation but generates an intense green flame.

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SUnknownMake Dioxane from Antifreeze

Fri, Apr 07, 2017

Dioxane can be made by the dehydration of ethylene glycol commonly found in antifreeze. However, a number of side products are created in the reaction so most of the effort comes in the purification process. The impurities can be dealt with using additional drying agents and fractional distillation.

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SUnknownMake Sodium Metal Without Electrolysis Using Domestic Chemicals

Fri, Apr 28, 2017

Here is a method for producing sodium metal without the complexity needed for electrolysis from sodium hydroxide. Sodium is a liquid at the boiling point of dioxane making it easy to separate from magnesium oxide in the sodium magnesium oxide aggregate used as the starting material.

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SUnknownMake Hydrobromic Acid Revisited 2018

Sat, Aug 04, 2018

Sodium bromide reacts with sulfuric acid producing hydrobromic acid which is useful for Grignard reactions. Distallation yields a concentrated solution of about 48% hydrobromic acid. Yield can be increased by cooling and filtering the partially distilled reaction mixture to remove salts then continuing the distillation.

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SUnknownMake Concentrated Ammonia

Fri, Nov 01, 2019

There are a host of ways to generate ammonia gas. The objective here is to identify a method that produces ammonia at a controlled rate for eventually conversion to nitric acid via the Ostwald Process. Of the methods tried and demonstrated the reaction of sodium hydroxide on urea was selected.

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SUnknownHow Does Aqua Regia Dissolve Gold and Platinum?

Tue, Dec 27, 2022

If you want to dissolve gold or platinum you naturally turn to aqua regia, a mixture of hydrochloric an nitric acids, to get the job done. But why do these two particular acids work. Here's an explanation of what each acid contributes to the dissolution reaction.

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