my name is mark zodkin, i am a private investor, specializing in investments in gold mining companieserywhere from the computer lying next to you, even when we are paying in a restaurant to the post-terminal, this is where we put the card, it also contains gold, even the simplest chinese calculator will contain 5 ppm, well , that is, this is insignificant quantity, that is, it is less than 5 g per ton in tv boards, in computers, in phones, all photographic equipment is the same, that is, it contains everything. colloidal a gold solution is a suspension of metallic gold nanoparticles in water, like sand in water, only sand is our gold nanoparticles, nanosized, which we cannot see with the eye, nanoparticles that we receive have. due to their special chemical properties, they can be used by us for diagnosing oncology and cancer, as an indicator piece of paper. we need gold in a decomposed state, transfer it to a reaction flask, heat it and add a reducing agent. we should obtain gold nanoparticles from 1 to 3 nm. these nanoparticles of a certain size will have a special making a diagnosi