User:Melissa Novy/Notebook/CHEM-572/2013/04/23

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==Entry title==
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==Objectives==
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* Insert content here...
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* Conclude 8-day ISE study.
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* Conclude 8-day study on films and cells.
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==Eight-Day ISE Study==
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[[Image:8_Day_ISE_Study.jpg]]
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<br>
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* Refer to the protocol on [[User:Melissa_Novy/Notebook/CHEM-572/2013/04/16|2013/04/16]].
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* Silver concentration in solution increased until day 4, after which it decreased.  This occurred for both the film containing silver-exchanged clay and the film synthesized using the novel method, in which unexchanged Laponite and AgNO<sub>3</sub> were combined in the film.  It is hypothesized that silver continuously leached out of the films, but was also slowly oxidized by exposure to air and light. This therefore decreased its concentration in solution as detected by the ISE.

Revision as of 20:28, 24 April 2013

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Objectives

  • Conclude 8-day ISE study.
  • Conclude 8-day study on films and cells.

Eight-Day ISE Study

Image:8_Day_ISE_Study.jpg

  • Refer to the protocol on 2013/04/16.
  • Silver concentration in solution increased until day 4, after which it decreased. This occurred for both the film containing silver-exchanged clay and the film synthesized using the novel method, in which unexchanged Laponite and AgNO3 were combined in the film. It is hypothesized that silver continuously leached out of the films, but was also slowly oxidized by exposure to air and light. This therefore decreased its concentration in solution as detected by the ISE.



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