How Can Zirconium Oxynitrate Be Produced from Zr Metal?

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Discussion Overview

The discussion centers on methods for producing zirconium oxynitrate from zirconium metal. Participants explore various chemical processes and reactions, including dissolution techniques and the use of different reagents.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires about the production of zirconium oxynitrate from zirconium metal, noting that dissolution in nitric acid and hydrochloric acid has not been successful.
  • Another participant suggests purchasing zirconium oxynitrate instead of attempting to produce it and proposes using a melt of potassium hydrogen sulfate to dissolve zirconium.
  • A participant expresses interest in producing the compound to save money and acknowledges they have not tried the suggested method involving potassium hydrogen sulfate.
  • A later reply references several sources, indicating that zirconium should dissolve easily in aqua regia and suggests reducing the solution to dryness with fresh nitric acid to obtain zirconium oxynitrate. They also mention that zirconium can dissolve in molten sodium hydroxide, producing hydrogen, and that this solution can be treated with diluted nitric acid to avoid chloride contamination.
  • The same participant notes that freshly precipitated zirconium dioxide can dissolve in acids if it is not allowed to age.

Areas of Agreement / Disagreement

Participants have differing views on the best method for producing zirconium oxynitrate, with no consensus reached on a definitive approach. Some methods are proposed, but their effectiveness remains uncertain.

Contextual Notes

Participants reference various chemical processes and conditions, but there are limitations regarding the completeness of the methods discussed, including assumptions about reagent availability and the specific conditions required for successful reactions.

Bakery87
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Anyone know how to produce this from Zr metal? Dissolution in nitric, and HCl have proven a wrong first step. I've been searching all over the internet, and at my library for books/journal articles... No dice.

Any help would be greatly appreciate.
 
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a) Why don't you buy it?
b) Did you try a melt of KHSO4 to dissolve the Zr?
 
Wait, you can buy it? Of course, but if I can make the oxynitrate form from the metal easily, I would do that to save money.

I have not tried #2.
 
I did some reading while at home. My primary source was: H. Remy, Lehrbuch der anorganischen Chemie (oldy but goldy),
Cotton Wilkinson, Advanced inorganic chemistry and
Jander, Hofmann, Qualitative Analyse.

According to Remy , Zr should dissolve easily in aqua regia.
I suppose that reducing the solution repeatedly to dryness adding fresh HNO3 should do the trick to get ZrO (NO3)2 x nH2O.
Alternatively, Zr Remy states that Zr dissolves in molten NaOH under formation of Hydrogen.
You can dissolve the cold melt in diluted HNO3. This has the advantage that no chloride is present.
If you hydrolize some solution and thus deposit fresh ZrO2 (with much hydroxide still), it will readily dissolve in acids before it ages.






Alternatively,
 

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