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Techniques for Collectorshow is electroplating of magnetite in jade done
5th May 2009 19:43 UTCMichael Croxell
5th May 2009 20:01 UTCMatt Neuzil Expert
5th May 2009 23:35 UTCMichael Croxell
6th May 2009 02:52 UTCNH
You could make electrical contact between each mass of magnetite and the negative electrode (cathode) to reduce gold ions from the surrounding solution. You could use a gold anode that would be oxidized. They could also use those pen plating systems, but the idea is the same - have the negative electrode in contact with the magnetite. As you note, you wouldn't be able to hit all of the magnetite at once with this method as the jade is an insulator.
6th May 2009 03:52 UTCHoward Heitner
I found one reference which you might want to look at : European Patent Application, Publication No. 0 354 131 A2, by C. F. Schneider et al, entitled "Ferrite Particle Plating System and Electromagnetic Shielding", published on Feb. 7, 1990.
6th May 2009 03:59 UTCRock Currier Expert
6th May 2009 05:20 UTCNH
6th May 2009 14:15 UTCMichael Croxell
8th May 2009 12:58 UTCAlysson Rowan Expert
14th May 2009 06:20 UTCNT
-------------------------------------------------------
> I have seen a high-frequency inductive plating
> process at work. I'm not sure of the physics of
> it, but I gather that it will allow preferential
> electroplating on grains of suitable materials -
> I'm not sure if the suitability is conductivity,
> semi-conductivity or magnetic susceptibility.
I am really curios about this inductive plating. Could you please provide more details? Which company? Web links etc?
Thanks,
NT
14th May 2009 17:16 UTCAlysson Rowan Expert
I really don't have any more information at all, other than the fact that the equipment had been built in-house.
14th May 2009 18:14 UTCMichael Croxell
13th Nov 2009 13:50 UTCDenman
Dennis Armbruster
14th Nov 2009 08:33 UTCRay Hill Expert
There are also electroplating brushes that can be used to sort of brush on the electroplated metal to a metallic substance, using its electrical conductivity to make it work.
14th Nov 2009 12:53 UTCMichael Croxell
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Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 25, 2024 17:29:34