User:Alicia Rasines Mazo/Notebook/CHEM-581 Experimental Chemistry I/2014/09/12: Difference between revisions
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|style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Project name</span> | |style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Project name</span> | ||
|style="background-color: #F2F2F2" align="center"| | |style="background-color: #F2F2F2" align="center"|[[File:Report.png|frameless|link={{#sub:{{FULLPAGENAME}}|0|-11}}]][[{{#sub:{{FULLPAGENAME}}|0|-11}}|Main project page]]<br />{{#if:{{#lnpreventry:{{FULLPAGENAME}}}}|[[File:Resultset_previous.png|frameless|link={{#lnpreventry:{{FULLPAGENAME}}}}]][[{{#lnpreventry:{{FULLPAGENAME}}}}{{!}}Previous entry]] }}{{#if:{{#lnnextentry:{{FULLPAGENAME}}}}|[[{{#lnnextentry:{{FULLPAGENAME}}}}{{!}}Next entry]][[File:Resultset_next.png|frameless|link={{#lnnextentry:{{FULLPAGENAME}}}}]]}} | ||
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==Tasks for September 12 2014== | ==Tasks for September 12 2014== | ||
To start preparing new films using exfoliated clay. <br.> | To start preparing new films using exfoliated clay. <br.> | ||
Perform XRD measurement. <br.> | Perform XRD measurement (Postponed until Sept. 17). <br.> | ||
Continue analysis of DSC and UVVis.<br.> | Continue analysis of DSC and UVVis.<br.> | ||
To make new stock solutions of malachite green dye | To make new stock solutions of malachite green dye | ||
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* A new 200 ppm MG solution was made by adding 40 mg of malachite green and making up to the mark with distilled water in a 200 mL volumetric flask. | * A new 200 ppm MG solution was made by adding 40 mg of malachite green and making up to the mark with distilled water in a 200 mL volumetric flask. | ||
** (200 mg MG/1L)×0.2 L = 40 mg MG | ** (200 mg MG/1L)×0.2 L = 40 mg MG | ||
*80 ppm made by [http://www.openwetware.org/wiki/User:Eleni_N._Kalivas/Notebook/CHEM-571/2014/09/12 Eleni's] group | |||
*8 ppm made by [http://www.openwetware.org/wiki/User:Andrew_K_Farag/Notebook/CHEM-581/2014/09/12 Andrew's] 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 before adding to glass vial and weighing. | * Note: PVA polymer was blotted dry with a KimWipe before adding to glass vial and weighing. | ||
{| | {| border="1" | ||
|+ Measurements to calculate mg MG absorbed per mg film | |||
! scope="col" | | |||
! scope="col" | Empty glass vial (g) | |||
! scope="col" | Glass vial + film (g) | |||
! scope="col" | Film weight (g) | |||
|- | |- | ||
! | ! scope="row" | 200 ppm | ||
| 13.1537 || 13.2537 || 0.1000 | |||
|- | |- | ||
| row | ! scope="row" | 80 ppm | ||
| row | | 13.0332 | ||
| | | 13.1408 | ||
| 0.1076 | |||
|- | |||
! scope="row" | 8 ppm | |||
| 13.0325 || 13.1298 || 0.0973 | |||
|- | |||
! scope="row" | 2 ppm | |||
| 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: | |||
**[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 and 8 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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Latest revision as of 00:16, 27 September 2017
Project name | Main project page Previous entry Next entry | ||||||||||||||||||||
Tasks for September 12 2014To start preparing new films using exfoliated clay. <br.> Perform XRD measurement (Postponed until Sept. 17). <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 |