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Iridium crucible cleaning

poonkerz
in Chemistry

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HELP!!

I have Nd:YAG polycrystalline residue stuck in my iridium crucible. and I have no idea how to get it out. Can somebody tell me how to get rid of the residue without destroying the crucible? i want the crucible free from any contamination since i used it for crystal growth purpose. thanx~

  • 1 month later...

Try to put crucible in 85% orthophosphoric acid and boil for some hours. Then use cruicible annealing at 1200 C for 2-3 hrs. It should help

  • 4 months later...

Where can I get iridium crucibles for crystal growing? Initially I only need two to go to 2150C. Any suggestions, Mchouinard

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