From: Coating of magnetite with mercapto modified rice hull ash silica in a one-pot process
Product | Volume/amount of coating agents | |
---|---|---|
Na2SiO3(mL/mole SiO2) | MPTMS (mL/mole) | |
Fe3O4-SH | 0.0/0.0 | 1.27/6.8 |
Fe3O4- SiO2-SH (25:75) | 1.5/1.7 | 0.95/5.1 |
Fe3O4- SiO2-SH (50:50) | 3.0/3.4 | 0.63/3.4 |
Fe3O4- SiO2-SH (75:25) | 4.5/5.1 | 0.32/1.7 |
Fe3O4- SiO2 | 6.0/6.8 | 0.00/0.0 |