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Thread: silver and gold

  1. #1 silver and gold 
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    Hi everyone

    Im making a project in school about alchemie.(do i say it right in english like this?)
    I allready have come to the conclusion you cant make gold out of other elements by a chemical reaction(or am I wrong about this?)
    I guess this also applie for silver or other valuable elements..

    I also want to do an experiment if it is possible to do this.

    can anyone help me with this?

    Thanks for all of your help

    Frank


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  3. #2  
    Forum Radioactive Isotope cosmictraveler's Avatar
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    Ordinary alfalfa plants are being used as miniature gold factories that one day could provide the nanotechnology industry with a continuous harvest of gold nanoparticles.

    An international research team from the University of Texas-El Paso (UTEP) and Mexico advanced the work at the Stanford Synchrotron Radiation Laboratory (SSRL) -- part of the Stanford Linear Accelerator Center (SLAC) in Menlo Park, Calif. The researchers are using, as tiny factories, the alfalfa's natural, physiological need to extract metals from the medium in which they are growing. Of most value here is that the alfalfa extracts gold from the medium and stores it in the form of nanoparticles -- specks of gold less than a billionth of a meter across. Their findings are published in the April issue of Nano Letters, a publication of the American Chemical Society.

    "This study is just one of hundreds of innovative research projects that take advantage of the unique properties of synchrotron X-rays provided by SSRL," said Keith Hodgson, the director of SSRL and a professor of chemistry at Stanford University.

    The semiconductor industry has long valued the oxidation resistance and the thermal and electrical conductivity of gold. Now, the relentless and accelerating drive toward ever-smaller wires, connectors and through-holes on ever-smaller semiconductor devices makes those properties even more important to the folks who make very small things. Consequently, the nanotechnology industry is very interested in processes that make gold nanoparticles for nano-scale electronic and optical devices.



    SLAC Press Release


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  4. #3  
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    Tnx for the info!
    It still didnt quite awnsered my question yet
    but i like to read about nanotechnology and other chemistry research plans/experiments (did i say that right?)

    Tnx!

    Frank
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  5. #4 Re: silver and gold 
    Universal Mind John Galt's Avatar
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    Quote Originally Posted by frank17
    Im making a project in school about alchemie.(do i say it right in english like this?)
    Alchemy, so almost right.
    Quote Originally Posted by frank17
    I allready have come to the conclusion you cant make gold out of other elements by a chemical reaction(or am I wrong about this?)
    You are completely correct. No chemical reaction can convert one element to another.
    Quote Originally Posted by frank17
    I also want to do an experiment if it is possible to do this.
    It is difficult to produce a single experiment that would prove this could not occur in any circumstances. In fact, with my limited imagination it is impossible.
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  6. #5  
    j
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    Isn't it possible but prohibitively expensive to convert mercury to gold?
    Why do they want us to believe Conspiracy Theories?
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  7. #6  
    Universal Mind John Galt's Avatar
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    Quote Originally Posted by j
    Isn't it possible but prohibitively expensive to convert mercury to gold?
    Here I have emphasised the key word in my earlier post:
    No chemical reaction can convert one element to another.

    Of course nuclear reactions do cause such changes. There is an interesting discussion of this, from the point of view of alchemy, at this website: http://www.chemsoc.org/exemplarchem/...bb/modern.html

    Here is a relevant extract:
    In 1980, Glenn Seaborg was successful in transmuting minute quantities lead to gold, possibly via bismuth. In 1972, Russian scientists found that the lead shielding of an experimental nuclear reactor near Lake Baikal in Siberia had unexpectedly turned to gold!
    ...............A possible route to gold would be from mercury. If mercury of its various naturally occuring isotopes could be made to capture neutrons, the resulting nuclear decay chains would eventually yield gold-197, the most common naturally occuring gold isotope, and perfectly stable.


    Note: the grammatical errors in the above extract are from the original.
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  8. #7  
    j
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    Yes, thank you. I did not remember the details.
    Why do they want us to believe Conspiracy Theories?
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  9. #8  
    Forum Radioactive Isotope cosmictraveler's Avatar
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    You could "grow" gold in a chemical that would make crystals grow faster than usual.
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