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News announcements and other topics => News => Topic started by: franco malgarini on December 20, 2016, 04:40:21 AM

Title: Simple production of diamond rod
Post by: franco malgarini on December 20, 2016, 04:40:21 AM

It feeds a 1 cm graphite finger with an electric welding machine,
gradually increasing the current until the rod starts to glow;
at this point it sprays CO2 on the finger which should become translucent.



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Title: Re: Simple production of diamond rod
Post by: franco malgarini on December 20, 2016, 08:29:53 AM
The experiment




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Title: Re: Simple production of diamond rod
Post by: franco malgarini on December 21, 2016, 12:24:11 PM
Rather I not know yet if it serves a thermal shock after pressurization with CO2,
for example immersion in liquid nitrogen ...
Title: Re: Simple production of diamond rod
Post by: telecom on December 22, 2016, 09:35:58 PM
But where are the actual diamonds as a result?
I wouldn't mind to start a small shop making them...
Title: Re: Simple production of diamond rod
Post by: hakware on December 23, 2016, 06:35:08 AM
@franko,
What makes you think that this will make diamond rod?
Title: Re: Simple production of diamond rod
Post by: Zephir on December 23, 2016, 07:31:50 AM
Carbon dioxide will oxidize the graphite rod under formation of highly poisonous carbon monoxide.
Title: Re: Simple production of diamond rod
Post by: franco malgarini on December 23, 2016, 09:21:09 AM

I do not need diamonds for jewelry, but to have working tools:

http://autocostruire.forumcommunity.net/?f=8952031
Title: Re: Simple production of diamond rod
Post by: franco malgarini on December 24, 2016, 07:57:23 AM
Also for palladium from zinc
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