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Autor:
Rasa Pauliukaite, Tautvydas Navickas, Ruta Aukstakojyte, Jurgis Barkauskas, Justina Gaidukevič
Publikováno v:
Applied Surface Science. 567:150883
This research presents two new modified Hummers' methods which include the pre-oxidation of graphite powder by mixtures of H3BO3/H2SO4 and H3BO3/H2SO4/CrO3. Compared to the traditional Hummers’ method, these significant improvements substantially e