User:Alicia Rasines Mazo/Notebook/CHEM-581 Experimental Chemistry I/2014/09/19: Difference between revisions
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===Second Analysis of UV-Vis MG data for PVA-polymer film=== | ===Second Analysis of UV-Vis MG data for PVA-polymer film=== | ||
Used MG calibration curves obtained on [http://openwetware.org/wiki/User:Alicia_Rasines_Mazo/Notebook/CHEM-581_Experimental_Chemistry_I/2014/09/05 Sept. 5 2014] | |||
*ε<sub>615nm</sub>=0.1293 M<sup>-1</sup>cm<sup>-1</sup> | |||
*A=εbc. | |||
Solving for concentration: | |||
* PVA in 2ppm = 0.031/(0.1291 M<sup>-1</sup>)= 0.240 ppm MG remain in solution (rest absorbed by film) | |||
{| {{table}} | |||
|- | |||
! PVA in | |||
! MG left in solution (ppm) | |||
! MG absorbed by film (ppm) | |||
|- | |||
| 2 ppm MG | |||
| 0.240 | |||
| 1.760 | |||
|- | |||
| 8 ppm MG | |||
| 0.913 | |||
| 7.087 | |||
|- | |||
| 80 ppm MG | |||
| 31.70 | |||
| 48.30 | |||
|- | |||
| 200 ppm MG | |||
| 92.00 | |||
| 108.0 | |||
|} | |||
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__NOTOC__ | __NOTOC__ |
Revision as of 11:54, 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:
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