NDLI: Synthesis, Characterization and Ion Exchange Behavior of Polyaniline Stannic Silicomolybdate, an Organic–Inorganic Composite Material: Quantitative Separation of Pb$^{2+}$ Ions from Industrial Effluents

Content Provider	Springer Nature Link
Author	Nabi, Syed Ashfaq Ganai, Sajad Ahmad Khan, Amjad Mumtaz
Copyright Year	2010
Abstract	Polyaniline stannic silicomolybdate, an organic–inorganic composite material was synthesized by mixing polyaniline, an electrically conducting organic polymer into the matrices of inorganic precipitate of stannic silicomolybdate. The experimental parameters such as mixing volume ratio and pH were established for the synthesis of the material. The material was found granular, thus suitable for column operations. Polyaniline stannic silicomolybdate shows better ion exchange capacity and thermal stability. The exchanger was characterized on the basis of instrumental techniques such as FTIR, TGA, DTA XRD and SEM. The X-ray diffraction study showed semi-crystalline nature. The elution behavior of the material was also examined. The SEM micrographs show the difference in surface morphology of inorganic component and the composite material. Distribution coefficient studies were performed for different metal ions in varied solvent systems such as Triton X-100, trichloroacetic acid and acetic acid. The effect of temperature on the distribution coefficient was also studied. It was found that 40 °C appeared to be the most suitable temperature. The material was found to be selective for Pb$^{2+}$ ion. On the basis of distribution coefficient values, some analytically important binary separations of metal ions viz. Mg$^{2+}$–Pb$^{2+}$, Zn$^{2+}$–Pb$^{2+}$, Cd$^{2+}$–Pb$^{2+}$ and Mg$^{2+}$–Cu$^{2+}$ were achieved on polyaniline stannic silicomolybdate columns. The practical utility of polyaniline stannic silicomolybdate was explored by achieving quantitative separation of Pb$^{2+}$ in industrial waste effluents from battery manufacturing units.
Starting Page	25
Ending Page	35
Page Count	11
File Format	PDF
ISSN	15741443
Journal	Journal of Inorganic and Organometallic Polymers and Materials
Volume Number	21
Issue Number	1
e-ISSN	15741451
Language	English
Publisher	Springer US
Publisher Date	2010-11-05
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Synthesis Characterization Ion exchanger Separation Metal ions Industrial effluents Polymer Sciences Organic Chemistry Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Polymers and Plastics

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