Rong Shen, Hong-Wen Gao, Han-Qing Yu. Cu(Ⅱ), Ni(Ⅱ) Complexation with Acid Alizarine Blue B in the Presence of Cetyltrimethylammonium Bromide[J]. Chinese Journal of Chemical Physics , 2006, 19(2): 178-182. doi: 10.1360/cjcp2006.19(2).178.5
Citation: Rong Shen, Hong-Wen Gao, Han-Qing Yu. Cu(Ⅱ), Ni(Ⅱ) Complexation with Acid Alizarine Blue B in the Presence of Cetyltrimethylammonium Bromide[J]. Chinese Journal of Chemical Physics , 2006, 19(2): 178-182. doi: 10.1360/cjcp2006.19(2).178.5

Cu(Ⅱ), Ni(Ⅱ) Complexation with Acid Alizarine Blue B in the Presence of Cetyltrimethylammonium Bromide

doi: 10.1360/cjcp2006.19(2).178.5
  • The coordination reactions of Cu(Ⅱ) and Ni(Ⅱ) with acid alizarine blue B (AABB) in the presence of cetyltrimethylammonium bromide (CTAB) micelle were investigated using the microsurface adsorptionspectral correction technique (MSASC). The aggregation of AABB on CTAB followed the Langmuir isothermal adsorption law. The enrichment of AABB on CTAB sensitized the complexation between Cu(Ⅱ) or Ni(Ⅱ)and AABB. The binding ratio of AABB to CTAB was 1:2.5, and monomeric aggregate, AABB2CTAB5, was formed with an adsorption constant of 5.95×105 at 20 ℃ or 2.48×105 at 40 ℃. In the ternary complexation, the ratio of AABB:Cu and AABB:Ni were 1:1 and 1:2.5, respectively. Two types of aggregates, Cu2.AABB2·CTAB80 and Ni5.AABB2.CTAB80, were formed.
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Cu(Ⅱ), Ni(Ⅱ) Complexation with Acid Alizarine Blue B in the Presence of Cetyltrimethylammonium Bromide

doi: 10.1360/cjcp2006.19(2).178.5

Abstract: The coordination reactions of Cu(Ⅱ) and Ni(Ⅱ) with acid alizarine blue B (AABB) in the presence of cetyltrimethylammonium bromide (CTAB) micelle were investigated using the microsurface adsorptionspectral correction technique (MSASC). The aggregation of AABB on CTAB followed the Langmuir isothermal adsorption law. The enrichment of AABB on CTAB sensitized the complexation between Cu(Ⅱ) or Ni(Ⅱ)and AABB. The binding ratio of AABB to CTAB was 1:2.5, and monomeric aggregate, AABB2CTAB5, was formed with an adsorption constant of 5.95×105 at 20 ℃ or 2.48×105 at 40 ℃. In the ternary complexation, the ratio of AABB:Cu and AABB:Ni were 1:1 and 1:2.5, respectively. Two types of aggregates, Cu2.AABB2·CTAB80 and Ni5.AABB2.CTAB80, were formed.

Rong Shen, Hong-Wen Gao, Han-Qing Yu. Cu(Ⅱ), Ni(Ⅱ) Complexation with Acid Alizarine Blue B in the Presence of Cetyltrimethylammonium Bromide[J]. Chinese Journal of Chemical Physics , 2006, 19(2): 178-182. doi: 10.1360/cjcp2006.19(2).178.5
Citation: Rong Shen, Hong-Wen Gao, Han-Qing Yu. Cu(Ⅱ), Ni(Ⅱ) Complexation with Acid Alizarine Blue B in the Presence of Cetyltrimethylammonium Bromide[J]. Chinese Journal of Chemical Physics , 2006, 19(2): 178-182. doi: 10.1360/cjcp2006.19(2).178.5

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