[meteorite-list] Allende nanodiamonds
From: Bernd Pauli HD <bernd.pauli_at_meteoritecentral.com>
Date: Thu Apr 22 09:44:35 2004 Message-ID: <3AA16B99.7C2EBDEE_at_lehrer1.rz.uni-karlsruhe.de> Debbie Baldwin/Fred Olsen wrote: > Can anyone help me with a reference or directions for separating the > nanodiamonds from the other forms of carbon in the nonsilicate residue > from the Allende meteorite? Regards, Fred Olsen, Denver, CO Elton wrote: > Diamonds have an affinity to grease ...this is how they are captured from the > kimberlite slurry . They are passed over a sluice which is coated with a high > grade, clarified grease and they adhere to it. The grease is melted in water > and it releases the diamonds. I recommend you research this more before > trying it. Hello All! Here are some references concerning nanodiamonds: OZIMA M. et al. (1993) Origin of nanodiamonds in primitive chondrites: (I) Theory (Meteoritics 28-3, 1993, A416). MOCHIZUKI K. et al. (1993) Origin of nanodiamonds in primitive chondrites: (2) Experiment (Meteoritics 28-3, 1993, A405). HILL H.G.M. et al. (1997) Infrared spectroscopy of interstellar nanodiamonds from the Orgueil meteorite (Meteoritics 32-5, 1997, 713). HILL H.G.M. et al. (1997) The detection of nanodiamonds in circumstellar environments? (Meteoritics 32-4, 1997, A060). HILL H.G.M. et al. (1998) The 21-micrometer infrared feature in bulk diamonds: Implications for nanodiamonds in space (Meteoritics 33-4, 1998, A067). KOSCHEEV A.P. et al. (2000) Mechanism of noble gas release during pyrolysis of nanodiamond grains (MAPS 35-5, 2000, Suppl., A092). Best wishes, Bernd P.S.: Dieter Heinlein just phoned me because he wanted to know if I had recorded last night's special topic (Asteroids) on VOX TV. No, sorry, folks, I didn't. So I can't provide any copies :-( Received on Sat 03 Mar 2001 05:09:29 PM PST |
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