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John Wesley Marden
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John Wesley Marden

American chemist
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Learn about this topic in these articles:

  • vanadium
    vanadium

    …VCl2, and the American chemists John Wesley Marden and Malcolm N. Rich obtained it 99.7 percent pure in 1925 by reduction of vanadium pentoxide, V2O5, with calcium metal.

    Read More

    …VCl2, and the American chemists John Wesley Marden and Malcolm N. Rich obtained it 99.7 percent pure in 1925 by reduction of vanadium pentoxide, V2O5, with calcium metal.

    Read More