2022
DOI: 10.21203/rs.3.rs-2258812/v1
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Efficient removal of safranin from aqueous solution using a new type of metalated highly self-doped polyaniline nanocomposite

Abstract: We report the chemical synthesis of poly(aniline-co-aniline-2,5-disulfonic acid)) in a composite containing L-hexuronic acid and metallic Ag/SiO2 nanoparticles as a new anionic polyelectrolyte for removing safranin dye. The composite was characterized by IR, UV, cyclic voltammetry, SEM, TEM, TGA, DSC, EDXS and elemental analyses. Microscopic images of the metallic nanospheres exhibited well-separated spherical particles, while the targeted nanocomposite displayed intensified spherical particles that were dispe… Show more

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“…Details of the material used in this work have been reported elsewhere [25]. Cetyltrimethylammonium ammonium bromide (CTAB, 98 %,) was obtained from Sigma-Aldrich Chemie GmbH Steinheim, Germany.…”
Section: Methodsmentioning
confidence: 99%
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“…Details of the material used in this work have been reported elsewhere [25]. Cetyltrimethylammonium ammonium bromide (CTAB, 98 %,) was obtained from Sigma-Aldrich Chemie GmbH Steinheim, Germany.…”
Section: Methodsmentioning
confidence: 99%
“…The synthesis of silver-doped silica-complex spheres (4) was slightly modified from the method reported elsewhere [25]. In brief, a mixture of CTAB (1 g), EtOH (25 ml), and NH4OH (40 mL, 30 %), tetraethyl orthosilicate (TEOS) (2) / EtOH (10 ml / 20 ml) was magnetically stirred at room temperature for 3 h, then AgNO3 (0.5 g) and NaBH4 (250 mg) were added to the in situ formed tetrahydroxyorthosilicate (3) and stirred for 10 h further at the same reaction temperature.…”
Section: Preparation Of Silver-doped Silica-complex Nanoparticle (4)mentioning
confidence: 99%
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