Synthesis of DF (Deuterium FLuoride)

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SUMMARY

The discussion focuses on synthesizing Deuterium Fluoride (DF) for creating deuterated crystals used in neutron diffraction studies. The participant suggests using BaF2 combined with D2O and CrO3 to produce BaCrO4 and 2HF as a potential synthesis route. Additionally, they consider using D2SO4 to react with CaF2 to generate DF and CaSO4, noting that D2SO4 is comparably priced to D2O. The participant is experienced with HF and emphasizes safe handling practices.

PREREQUISITES
  • Understanding of chemical synthesis involving fluorine compounds
  • Knowledge of neutron diffraction techniques and deuterated materials
  • Familiarity with handling hazardous materials, specifically HF
  • Basic chemistry knowledge regarding reactions involving D2O and D2SO4
NEXT STEPS
  • Research the synthesis of Deuterium Fluoride (DF) using D2SO4 and CaF2
  • Explore alternative methods for producing deuterated crystals for neutron diffraction
  • Study the safety protocols for handling HF and other hazardous chemicals
  • Investigate the properties and applications of deuterated materials in scientific research
USEFUL FOR

Chemists, materials scientists, and researchers involved in neutron diffraction studies or working with deuterated compounds will benefit from this discussion.

jman1990
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Hello All,

I am wondering if anyone knows a good synthesis for DF. I am trying to create a deuterated crystal for neutron diffraction studies (it is a hydrated crystal). The synthesis involves water and HF. I can buy D2O for the synthesis, but DF in D2O is a problem.

If anyone can enlighten me on good precursors for DF I would appreciate it.
FYI I work with HF regularly and am aware of it's hazards and safe handling practices.

P.S. I know the standard synthesis for HF involves reaction of fluorite with sulfuric acid, however I obviously don't have D2SO4 either.

Thanks,
 
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How about BaF2+D2O+CrO3 -> BaCrO4 +2HF?
 
This could work, thanks.

I found that D2SO4 isn't much more expensive than D2O so I probably will end up buying some and using that to react CaF2 to form DF + CaSO4. I am going to try this method as well and see which gives me better results.
 

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