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      Critical reviews on stability and photosensitizer potential of metal ferrocyanides: a possible prebiotic mineral part- III Translated title: Revisiones críticas de estabilidad y de potencial de fotosensibilizador de ferrocianuros metálicos: un posible mineral prebiótico parte III

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          Abstract

          Abstract Copper, lanthanum, mercury, molybdenum, silver, titanium, and zinc ferrocyanides were synthesized and characterized by elemental analysis and spectral studies. The stability of synthesized metal ferrocyanides were recorded in heat (various temperature), various concentrations of acids (HC1, H2SO4, HNO3, CH3 COOH) various concentrations of bases (NaOH, KOH, NH4OH), and in sea and tap water. All stabilities were recorded at room and boiling temperature. Stability of synthesized metal ferrocyanides were also recorded in presence of visible and ultraviolet radiation. Oxidizing and photosensitizing potential of synthesized metal ferrocyanides were tested using potassium iodide and freshly prepared starch solution indicated copper ferrocyanide as possible strong oxidizer and photosensitizer. Molybdenum, mercury and tungsten ferrocyanides were found to act as weak oxidizer and photosensitizer. Lanthanum and zinc ferrocyanide did not show any oxidizing and photosensitizing potential.

          Translated abstract

          Resumen Los ferrocianuros de cobre, lantano, mercurio, molibdeno, plata, titanio y zinc se sintetizaron y caracterizaron mediante análisis elemental y estudios espectrales. La estabilidad de los ferrocianuros metálicos sintetizados se registró en calor (varias temperaturas), varias concentraciones de ácidos (HC1, H2SO4, HNO3, CH3 COOH) varias concentraciones de bases (NaOH, KOH, NH40H), y en agua de mar y de grifo. Todas las estabilidades se registraron a temperatura ambiente y de ebullición. La estabilidad de los ferrocianuros metálicos sintetizados también se registró en presencia de radiación visible y ultravioleta. El potencial oxidante y fotosensibilizante de los ferrocianuros metálicos sintetizados se probó con yoduro de potasio y la solución de almidón recién preparada indicó que el ferrocianuro de cobre es un posible oxidante fuerte y fotosensibilizador. Se descubrió que los ferrocianuros de molibdeno, mercurio y tungsteno actúan como oxidante débil y fotosensibilizador. El lantano y el ferrocianuro de zinc no mostraron ningún potencial oxidante y fotosensibilizante.

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          Colloids and Surfaces A: Physicochem

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            Author and article information

            Journal
            rbq
            Revista Boliviana de Química
            Rev. Bol. Quim
            Universidad Mayor de San Andrés (La Paz, La Paz, Bolivia )
            0250-5460
            April 2019
            : 36
            : 1
            : 19-39
            Affiliations
            [02] orgnameInstitute of Technology (IIT) India
            [01] Georgetown orgnameUniversity of Guyana orgdiv1Faculty of Natural Sciences Guyana
            [03] orgnameUniversity of Alberta orgdiv1Department of Agriculture Canadá
            Article
            S0250-54602019000100003 S0250-5460(19)03600100003
            b472d800-f3e4-4628-9706-35429b33bc47

            This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

            History
            : 25 April 2019
            : 19 March 2019
            Page count
            Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 21
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            SciELO Bolivia

            Categories
            FULL ORIGINAL ARTICLES

            Prebiótico mineral,Metal ferrocyanides,Estabilidad,Ferrocianuros metálicos,Stability,Oxidizer,Photosensitizer,Prebiotic mineral,Fotosensibilizador,Oxidante

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