User:Alicia Rasines Mazo/Notebook/CHEM-581 Experimental Chemistry I/2014/10/22: Difference between revisions
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===Measuring absorbance of films in PBA=== | ===Measuring absorbance of films in PBA=== | ||
* Soaked PVA-Clay polymer films in 10 ppm PBA and | * Soaked PVA-Clay polymer films in 10.4 ppm PBA and allowed to soak for a determined amount of time ( two scintillation vials for each time slot), after which time films were removed to avoid further absorption of PBA. | ||
**10/22 5 min | |||
**10/22 15 min | |||
**10/22 30 min | |||
**10/22 60 min | |||
**10/22 120 min | |||
**10/22 afternoon | |||
**10/23 morning | |||
**10/23 afternoon | |||
**10/24 | |||
** Note that the 10.4 ppm PBA solution was made by James and Eleni | ** Note that the 10.4 ppm PBA solution was made by James and Eleni | ||
***James measured out 10.4 mg of BPA and dissolved in 5 mL of methanol, then diluted to 1 L with distilled water. | ***James measured out 10.4 mg of BPA and dissolved in 5 mL of methanol, then diluted to 1 L with distilled water. | ||
* | |||
* PVA-Clay film weights | |||
{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''Sample''' | |||
| align="center" style="background:#f0f0f0;"|'''Vial''' | |||
| align="center" style="background:#f0f0f0;"|'''Mass of Empty Vial (g)''' | |||
| align="center" style="background:#f0f0f0;"|'''Mass of Film + Vial (g)''' | |||
| align="center" style="background:#f0f0f0;"|'''Film Mass (g)''' | |||
|- | |||
| GC-MS || 10/22 5 min|| 13.0961 || 13.2417 | |||
|- | |||
| || 10/22 15 min || 13.0637 || 13.1933 | |||
|- | |||
| || 10/22 30 min || 13.0670 || 13.2869 | |||
|- | |||
| || 10/22 60 min|| 13.0693 || 13.2071 | |||
|- | |||
| || 10/22 120 min || 13.0977 || 13.3447 | |||
|- | |||
| || 10/22 afternoon || 13.0519 || 13.2186 | |||
|- | |||
| || 10/23 morning || 13.0361 || 13.1181 | |||
|- | |||
| || 10/23 afternoon || 13.0016 || 13.1543 | |||
|- | |||
| || 10/24 || 13.0731 || 13.2344 | |||
|- | |||
| HPLC || 10/22 5 min|| 13.0393 || 13.2924 | |||
|- | |||
| || 10/22 15 min || 13.0428 || 13.1814 | |||
|- | |||
| || 10/22 30 min || 13.0879 || 13.3509 | |||
|- | |||
| || 10/22 60 min|| 13.1562 || 13.3389 | |||
|- | |||
| || 10/22 120 min || 13.1078 || 13.2840 | |||
|- | |||
| || 10/22 afternoon || 13.0813 g|| 13.1784 g | |||
|- | |||
| || 10/23 morning || 13.1008 g || 13.2877 g | |||
|- | |||
| || 10/23 afternoon || 13.0785 g || 13.2066 g | |||
|- | |||
| || 10/24 || 13.0254 g || 13.1791 g | |||
|} | |||
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Revision as of 07:33, 22 October 2014
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Tasks for October 22
Completion of film synthesisPlaced film in sodium sulfate, 1% HCl and sodium bicarbonate. Measuring absorbance of films in PBA
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