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Efficient gold(III) detection, separation and recovery from urban mining waste using a facial conjugate adsorbent

共役吸着剤を使った都市鉱山から効率的金(III)の検出・分離および回収

Awual, M. R.; Ismael, M.*

Awual, M. R.; Ismael, M.*

The adsorbent was prepared by indirect and dense immobilization of 6((2(2 hydroxy 1 naphthoyl)hydrazono)methyl) benzoic acid (HMBA) onto fine tuned surface patterning of nanostructure inorganic silica. The small energy gap for the complex compared with the HMBA suggested the easily excitation of electrons according to the electron transfer or energy transferred mechanism, which results in the intense color of the stable complexation mechanism. The influence of several variables such as solution acidity, initial concentrations and the addition of diverse ions for Au(III) detection and recovery has also been considered and evaluated. The detection limit of the conjugate adsorbent at optimum conditions was 0.11 ppb. The Au(III) sorption forms a monolayer on the interior pore surfaces of the conjugate adsorbent and showed high sorption capacity (203.42 mg/g).

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パーセンタイル:98.19

分野:Chemistry, Analytical

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