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...Article indonesian journal of chemical science and technology state university medan e issn p ijcst unimed vol no page th received nov accepted jan web publised feb corrosion factors on nail titania natasya muthia embun khairafah murna sari br sembiring laura nazrifah hutabarat pendidikan ipa fmipa universitas negeri sumatera utara email titaniantsya gmail com abstract is a phenomenon in metal materials that can occur due to physical or biological processes are characterized by the destruction morphology metals activity destructive bacteria this practicum experiments were carried out nails subjects study research was conducted quantitative method namely experiment experimental used determine effect independent variable treatment dependent outcome under controlled conditions result his fastest most visible plastic cups which given hot water as medium keywords nacl iron i pendahuluan korosi namun secara umum dapat kennet dan chamberlain dalam prihasa didefinisikan sebagai proses degradas...