In this video we make nitric acid by reacting calcium nitrate with oxalic acid.
The process is rather simple, dissolve 300g of Calcium Ammonium Nitrate (A common fertilizer) in 1L of water and then dissolve 150g of Oxalic Acid dihydrate in 300mL of water with heating. Then mix the two. A white precipitate of calcium oxalate is formed. Filter this off and distill the filtrate. The distillate will be dilute nitric acid. Fractionally distill that to get azeotropic nitric acid. The yield is around 74%
Related videos:
Making Sulfuric Acid by Oxalate Precipitation:
Make Potassium and Sodium Nitrate from Calcium Nitrate:
Purifying and upgrading nitric acid:
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Video Credits: https://www.youtube.com/watch?v=1x8oXCBjHFY
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i think you should make a video demonstrating the process of making nitric acid from a nitrate salt and phosphoric acid
2:39 what's the benefit of the long glass tube?
Thanks!
How many conc.
Fortunately, in my country you can actually find azeotropic nitric acid on the Internet to buy. It is sold as limescale remover for aluminium pipes. Costs 10 dollars for a 5 kg/3.5 litres jug.
unfortunately here in canada is might just be easier to buy nitric acid then ammonium nitrate
Dr stone anyone?
So far my favorite method so far is distillation from calcium ammonium nitrate with sulfuric acid and a minimal amount of water. The calcium sulfate washes out decently well with water and very easily with hydrochloric acid. I've also been looking into platinum bright embers for gas logs. Because of the platinum content they can be used as a catalyst bed making the Ostwald process readily accessible to the amateur chemist.
How about a video making nitric acid from phosphoric acid + nitrates? As an alternative to sulfuric acid.