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    • Keragaan Nitrogen-Amonium dalam Magnetit Sintetik (Fe3O4) 

      Pradana, Viola Monik | Saprudin, Deden | Heryanto, Rudi (2013)
      One form of nitrogen that can be used directly by plant is ammonium. Magnetite can be used as ammonium carrier. Magnetite has been synthesized by hydrothermal treatment of FeCl3, urea, and citrate. The synthesis time was ...