Silicon-28
It seems that Silicon-28 is the most abundant (92%) naturally occuring isotope, but that still leaves 8% 'impurities' to get rid of. I wonder how difficult/expensive that is.
It seems that Silicon-28 is the most abundant (92%) naturally occuring isotope, but that still leaves 8% 'impurities' to get rid of. I wonder how difficult/expensive that is.