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ืžืชื—ืžื™ ื›ื™ืžื™ื” ืฉืœ ืชื™ืื•ื

Overview

ืžืงื•ืจ: ื”ืžืขื‘ื“ื” ืฉืœ ื“"ืจ ื ื™ืœ ืื‘ืจืžืก โ€” ืžื›ืœืœืช SUNY ืœืžื“ืขื™ ื”ืกื‘ื™ื‘ื” ื•ื™ืขืจื ื•ืช

ืžืชื›ื•ืช ืžืขื‘ืจ ื ืžืฆืื•ืช ื‘ื›ืœ ืžืงื•ื, ื”ื—ืœ ืชื•ืกืคื™ ื•ื™ื˜ืžื™ื ื™ื ืœืืžื‘ื˜ื™ื•ืช electroplating. ืžืชื›ื•ืช ืžืขื‘ืจ ื’ื ืžืจื›ื™ื‘ื•ืช ืืช ื”ืคื™ื’ืžื ื˜ื™ื ื‘ืฆื‘ืขื™ื ืจื‘ื™ื ื•ืžืจื›ื™ื‘ื•ืช ืืช ื›ืœ ื”ืžื™ื ืจืœื™ื. ื‘ื“ืจืš ื›ืœืœ, ืžืชื›ื•ืช ืžืขื‘ืจ ื ืžืฆืื•ืช ื‘ืฆื•ืจื” ื”ืงื˜ื™ืงื˜ื™ืช ืžื›ื™ื•ื•ืŸ ืฉื”ืŸ ืžืชื—ืžืฆืŸื•ืช ื‘ืงืœื•ืช, ืื• ืžืื‘ื“ื•ืช ืืœืงื˜ืจื•ื ื™ื, ื•ืžื•ืงืคื•ืช ื‘ืชื•ืจืžื™ ืืœืงื˜ืจื•ื ื™ื ื”ื ืงืจืื™ื ืœื™ื’ื ื“ื™ื. ืœื™ื’ื ื“ื™ื ืืœื” ืื™ื ื ื™ื•ืฆืจื™ื ืงืฉืจื™ื ื™ื•ื ื™ื™ื ืื• ืงื•ื•ืœื ื˜ื™ื™ื ืขื ืžืจื›ื– ื”ืžืชื›ืช, ืืœื ื”ื ืœื•ืงื—ื™ื ืขืœ ืกื•ื’ ืฉืœื™ืฉื™ ืฉืœ ืงืฉืจ ื”ืžื›ื•ื ื” ืงื•ืื•ืจื“ื™ื ื˜ื•ืช ืงื•ื•ืœื ื˜. ื”ืงืฉืจ ื”ืงื•ืื•ืจื“ื™ื ื˜-ืงื•ื•ืœื ื˜ื™ ื‘ื™ืŸ ืœื™ื’ื ื“ ืœืžืชื›ืช ื”ื•ื ื“ื™ื ืžื™, ื›ืœื•ืžืจ ืœื™ื’ื ื“ื™ื ืžื—ืœื™ืคื™ื ื•ืžืชืืžื™ื ืžื—ื“ืฉ ืœืœื ื”ืจืฃ ืกื‘ื™ื‘ ืžืจื›ื– ื”ืžืชื›ืช. ื”ื–ื”ื•ื™ื•ืช ืฉืœ ื”ืžืชื›ืช ื•ื”ืœื™ื’ื ื“ ืžื›ืชื™ื‘ื•ืช ืื™ืœื• ืœื™ื’ื ื“ื™ื ื™ืงืฉืจื• ื‘ืื•ืคืŸ ืžื•ืขื“ืฃ ืขืœ ืคื ื™ ืื—ืจ. ื‘ื ื•ืกืฃ, ืชื›ื•ื ื•ืช ืฆื‘ืข ื•ืžื’ื ื˜ื™ื•ืช ื ื•ื‘ืขื™ื ื’ื ืžืกื•ื’ื™ ื”ืžืชื—ืžื™ื ืฉื ื•ืฆืจื™ื. ืชืจื›ื•ื‘ื•ืช ื”ืชื™ืื•ื ืฉื ื•ืฆืจื•ืช ืžื ื•ืชื—ื•ืช ื‘ืืžืฆืขื•ืช ืžื’ื•ื•ืŸ ืžื›ืฉื™ืจื™ื ื•ื›ืœื™ื. ื ื™ืกื•ื™ ื–ื” ื‘ื•ื—ืŸ ืžื“ื•ืข ื›ืœ ื›ืš ื”ืจื‘ื” ืžืชื—ืžื™ื ืืคืฉืจื™ื™ื ื•ืžืฉืชืžืฉ ื‘ืฉื™ื˜ื” ืกืคืงื˜ืจื•ื›ื™ืžื™ืช (ืฆื‘ืข ื•ื›ื™ืžื™) ื›ื“ื™ ืœืกื™ื™ืข ื‘ื–ื™ื”ื•ื™ ืกื•ื’ ืงื•ืžืคืœืงืก ื”ืงื•ืื•ืจื“ื™ื ืฆื™ื” ืฉื ื•ืฆืจ.

Procedure

1. ืžืชื—ืžื™ ื ื™ืงืœ ื•ืฆื‘ืขื™ื

  1. Ni(H2O)62+ ืงื•ืžืคืœืงืก(ืื™ื•ืจ 1a)
    1. ื”ื›ืŸ ืคืชืจื•ืŸ 1 M ืฉืœ Ni(H2O)62+ ืขืœ ื™ื“ื™ ื”ืžืกืช NiSO4 ื‘ื ืคื— ื”ืžืชืื™ื ืฉืœ ืžื™ื.
    2. ืœื“ืœืœ ืขื•ื“ ื™ื•ืชืจ ืืช ื”ืคืชืจื•ืŸ Ni(H2O)62+ืขืœ ื™ื“ื™ ื”ื•ืกืคืช 70 ืž"ืœ ืฉืœ ืคืชืจื•ืŸ 1 M ืœ 1,000 ืž"ืœ ืฉืœ ืžื™ื deionized.
    3. ื—ืœืง ืืช Ni(H2O)62 + ื‘ื™ืŸ ืฉื‘ืขื” 400 ืž"ืœ ื›ื•ืช.
    4. ืชืžื™ืกื” ื ื™ืงืœ ืžื™ืžื™ ืœื•ืงื— ืขืœ ืฆื‘ืข ื™ืจื•ืง ื‘ื”ื™ืจ ืžืื– ืžื™ื ื”ื•ื ืœื™ื’ื ื“ ืฉื“ื” ื—ืœ

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Application and Summary

ืžืคื™ื’ืžื ื˜ื™ื ื•ืขื“ ืื ืฉื™ื, ืžืชื›ื•ืช ืžืขื‘ืจ ื ืžืฆืื•ืช ื‘ืชื—ื•ืžื™ ื”ื›ื™ืžื™ื”, ื”ื‘ื™ื•ืœื•ื’ื™ื”, ื”ื’ื™ืื•ืœื•ื’ื™ื” ื•ื”ื”ื ื“ืกื”. ื”ื‘ื ืช ื”ื”ืชื ื”ื’ื•ืช ืฉืœ ืžืชื›ื•ืช ืžืขื‘ืจ ืชื—ืช ืžืฆื‘ื™ื ื›ื™ืžื™ื™ื ืฉื•ื ื™ื ื™ื›ื•ืœื” ืœื”ื™ื•ืช ืคืฉื•ื˜ื” ื›ืžื• ื ื™ื˜ื•ืจ ืฆื‘ืข ืื• ื”ืชื ื”ื’ื•ืช ืžื’ื ื˜ื™ืช. ื›ืžืขื˜ ื›ืœ ืžืชื›ืช ืžืขื‘ืจืชืœืช-ืžืžื“ื™ืช (ืฉื•ืจื” 4) ื—ื™ื•ื ื™ืช ืœืชืคืงื•ื“ ื”ืคื™ื–ื™ื•ืœื•ื’ื™, ื•ื‘ื›ืœ ื”ืžืงืจื™ื, ืžืชื›ื•ืช ืืœื” ื›ื‘ื•ืœื•ืช ืขืœ ื™ื“ื™...

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References

  1. Shakhashiri, B. Z.; G. E. Dirreen, G. E; Juergens, F. Color, Solubility, and Complex Ion Equilibria of Nickel (II) Species in Aqueous Solution. J. Chem. Ed. 52 (12), 900-901 (1980).

Tags

Coordination ChemistryComplexesLigandsMetal Atom ionElectron OrbitalsAccessible ElectronsLigand CoordinationMetal ReactivityLigand GeometriesElectronic NatureMetal ComplexesLigand ExchangeApplications In Chemistry And MedicineSimple IonsComplex MoleculesOverall ChargeCationic MetalsNeutral anionic LigandsDonor AtomsDenticity

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