User:Alicia Rasines Mazo/Notebook/CHEM-581 Experimental Chemistry I/2014/09/12: Difference between revisions
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*2 ppm made by [http://openwetware.org/wiki/User:James_C._Schwabacher/Notebook/CHEM-571/2014/09/12 James'] group | *2 ppm made by [http://openwetware.org/wiki/User:James_C._Schwabacher/Notebook/CHEM-571/2014/09/12 James'] group | ||
===Second measurement of MG dye | ===Second measurement of MG dye absorbed into PVA polymer films=== | ||
Redid measurements due to anomalies and discrepancies across group results. | Redid measurements due to anomalies and discrepancies across group results. | ||
* Note: PVA polymer was blotted dry with a KimWipe before adding to glass vial and weighing. | * Note: PVA polymer was blotted dry with a KimWipe before adding to glass vial and weighing. | ||
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! scope="col" | Film weight (g) | ! scope="col" | Film weight (g) | ||
|- | |- | ||
! scope="row" | 200 ppm | ! scope="row" | 200 ppm | ||
| 13.1537 || 13.2537 || 0.1000 | | 13.1537 || 13.2537 || 0.1000 | ||
|- | |- | ||
! scope="row" | | ! scope="row" | 80 ppm | ||
| 13. | | 13.0332 | ||
| 13. | | 13.1408 | ||
| 0. | | 0.1076 | ||
|- | |- | ||
! scope="row" | | ! scope="row" | 8 ppm | ||
| 13. | | 13.0325 || 13.1298 || 0.0973 | ||
|- | |- | ||
! scope="row" | | ! scope="row" | 2 ppm | ||
| 13. | | 13.0783 || 13.1843 || 0.1060 | ||
|- | |- | ||
|} | |} | ||
10 mL of the corresponding MG solutions were added to each vial. | |||
===Measuring MG coated onto glass vials=== | |||
Added 10 mL of 80 and 200 ppm into two different empty and clean vials. <br.> | |||
UV-Vis is to be done on these vials during the next class to determine the amount of MG that becomes coated on the glass | |||
*Other groups: | *Other groups: | ||
**[http://www.openwetware.org/wiki/User:Eleni_N._Kalivas/Notebook/CHEM-571/2014/09/12 Eleni's] group did 2 ppm | **[http://www.openwetware.org/wiki/User:Eleni_N._Kalivas/Notebook/CHEM-571/2014/09/12 Eleni's] group did 2 and 8 ppm | ||
**[http://www.openwetware.org/wiki/User:Andrew_K_Farag/Notebook/CHEM-581/2014/09/12 Andrew's] group did 80 | **[http://www.openwetware.org/wiki/User:Andrew_K_Farag/Notebook/CHEM-581/2014/09/12 Andrew's] group did 80 and 8 ppm | ||
**[http://openwetware.org/wiki/User:James_C._Schwabacher/Notebook/CHEM-571/2014/09/12 James'] group did 2 ppm | **[http://openwetware.org/wiki/User:James_C._Schwabacher/Notebook/CHEM-571/2014/09/12 James'] group did 2 and 200 ppm | ||
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Revision as of 12:45, 12 September 2014
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Tasks for September 12 2014To start preparing new films using exfoliated clay. <br.> Perform XRD measurement. <br.> Continue analysis of DSC and UVVis.<br.> To make new stock solutions of malachite green dye Preparation of 10% PVA-exfoliated clayRefer to Dr. Harting's Notebook for full details on the procedure
Preparation of new malachite green solutions
Second measurement of MG dye absorbed into PVA polymer filmsRedid measurements due to anomalies and discrepancies across group results.
10 mL of the corresponding MG solutions were added to each vial. Measuring MG coated onto glass vialsAdded 10 mL of 80 and 200 ppm into two different empty and clean vials. <br.> UV-Vis is to be done on these vials during the next class to determine the amount of MG that becomes coated on the glass |