User:Mary Mendoza/Notebook/CHEM 581: Experimental Chemistry I/2014/09/24: Difference between revisions

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* The arsenic, mercury, and lead were replaced with rhodamine 6G.
* The arsenic, mercury, and lead were replaced with rhodamine 6G.
* Stock dilutions of 159 μM rhodamine 6G into 1, 10, and 20 μM were prepared by James, Michael, and Eleni.  
* Stock dilutions of 159 μM rhodamine 6G into 1, 10, and 20 μM were prepared by James, Michael, and Eleni.  
* The table for the masses of the films and vial are posted on Jacob Esenther's [[User:Jacob Esenther/Notebook/581/2014/09/24|page.]]


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Revision as of 07:59, 24 September 2014

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Measurements with AAS

  • Runs for arsenic and mercury samples are temporarily postponed due to technical issues such as defects with the detector and burnt out arsenic lamp.
  • Lead (II) acetate · 3 H2O was cancelled as well.

Films with Exchanged Clay

  • 0.11163 g of tributylhexadecylphosphonium phosphonium bromide (our exchanged clay) was added to 1.00888 g of PVA
  • 0.11024 g of (1-hexadecyl)triphenylphosphonium bromide (BEM's exchanged clay) was added to 1.00123 g of PVA
  • These mixtures were stirred and heated. It was observed that the exchanged clay would not completely dissolve into solution.

Suspension of Films in Rhodamine 6G

  • The arsenic, mercury, and lead were replaced with rhodamine 6G.
  • Stock dilutions of 159 μM rhodamine 6G into 1, 10, and 20 μM were prepared by James, Michael, and Eleni.
  • The table for the masses of the films and vial are posted on Jacob Esenther's page.


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