User:Alicia Rasines Mazo/Notebook/CHEM-581 Experimental Chemistry I/2014/09/19: Difference between revisions
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| align="center" style="background:#f0f0f0;"|'''Solution''' | | align="center" style="background:#f0f0f0;"|'''Solution''' | ||
| align="center" style="background:#f0f0f0;"|'''Empty glass vial (g)''' | | align="center" style="background:#f0f0f0;"|'''Empty glass vial (g)''' | ||
| align="center" style="background:#f0f0f0;"|'''Glass Vial + | | align="center" style="background:#f0f0f0;"|'''Glass Vial + film (g)''' | ||
| align="center" style="background:#f0f0f0;"|'''Film weight (g)''' | | align="center" style="background:#f0f0f0;"|'''Film weight (g)''' | ||
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Note that 10 of MG solution were added per vial, so that 2 ppm MG = (1.760 mg MG/L)×0.010L=0.0176 mg MG/film <-- absorbed amount <br.> | Note that 10 of MG solution were added per vial, so that 2 ppm MG = (1.760 mg MG/L)×0.010L=0.0176 mg MG/film <-- absorbed amount <br.> | ||
The weight of the film submerged in 2 ppm MG solution was 0.1060 g. Refer to [http://openwetware.org/wiki/User:Alicia_Rasines_Mazo/Notebook/CHEM-581_Experimental_Chemistry_I/2014/09/12 Sept. 12 2014] for further weights. | The weight of the film submerged in 2 ppm MG solution was 0.1060 g. Refer to [http://openwetware.org/wiki/User:Alicia_Rasines_Mazo/Notebook/CHEM-581_Experimental_Chemistry_I/2014/09/12 Sept. 12 2014] for further film weights. | ||
*(0.0176mg MG/0.01060g film)='''0.0166 mg MG/g film''' | |||
*8 ppm: '''0.728 mg MG/g film''' | |||
*80 ppm: '''4.49 mg MG/g film''' | |||
*200 ppm: '''10.8 mg MG/g film''' | |||
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Revision as of 12:18, 19 September 2014
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Tasks for 19 September
New film synthesis
Measuring the Absorbance of Mercury and Arsenic
Second Analysis of UV-Vis MG data for PVA-polymer filmUsed MG calibration curves obtained on Sept. 5 2014
Solving for concentration:
Note that 10 of MG solution were added per vial, so that 2 ppm MG = (1.760 mg MG/L)×0.010L=0.0176 mg MG/film <-- absorbed amount <br.> The weight of the film submerged in 2 ppm MG solution was 0.1060 g. Refer to Sept. 12 2014 for further film weights.
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