User:Madeleine Y. Bee/Notebook/CHEM-581 Experimental Chemistry/2014/10/22: Difference between revisions

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====BPA Sample Prep====
====BPA Sample Prep====
*10ppm BPA stock solution made by James' and Eleni
*10ppm BPA stock solution made by James and Eleni
**10.4 mg BPA was dissolved in 5 mL of methanol, then diluted to 1 L with water
*Two measurements (for GC-MS and HPLC) for each time slot:
*Two measurements (for GC-MS and HPLC) for each time slot:
**10/22 5 min
**10/22 5 min
Line 41: Line 42:
**10/23 afternoon
**10/23 afternoon
**10/24
**10/24
 
*Using PVA-Clay film
 
{| {{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  || 0.1456
|-
| || 10/22 15 min || 13.0637  || 13.1933  || 0.1296
|-
| || 10/22 30 min || 13.0670  || 13.2869  || 0.2199
|-
| || 10/22 60 min|| 13.0693  || 13.2071  || 0.1378
|-
| || 10/22 120 min || 13.0977  || 13.3447  || 0.2470
|-
| || 10/22 afternoon || 13.0519  || 13.2186  || 0.1667
|-
| || 10/23 morning || 13.0361  || 13.1181  || 0.0820
|-
| || 10/23 afternoon || 13.0016  || 13.1543  || 0.1527
|-
| || 10/24 || 13.0731  || 13.2344 || 0.1613
|-
| HPLC || 10/22 5 min|| 13.0393 || 13.2924 || 0.2531
|-
| || 10/22 15 min || 13.0428 || 13.1814 || 0.1386
|-
| || 10/22 30 min || 13.0879 || 13.3509 || 0.2630
|-
| || 10/22 60 min|| 13.1562 || 13.3389 || 0.1827
|-
| || 10/22 120 min || 13.1078 || 13.2840 || 0.1762
|-
| || 10/22 afternoon || 13.0813 || 13.1784 || 0.0971
|-
| || 10/23 morning || 13.1008  || 13.2877 || 0.1869
|-
| || 10/23 afternoon || 13.0785 || 13.2066 || 0.1281
|-
| || 10/24 || 13.0254 || 13.1791 || 0.1537
|}




Revision as of 08:18, 22 October 2014

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October 22, 2014

Procedures

Finish Film Synthesis from 10/17

Film Masses for Density Calculations

Film Initial Mass Dried Mass Displaced Volume
PVA film 0.0278g 0.0102g 0.048mL
0.0255g 0.0129g
0.0265g 0.0089g 0.114mL
PVA-Clay film 0.0122g 0.0067g
0.0177g 0.0102g
0.0307g 0.0145g

BPA Sample Prep

  • 10ppm BPA stock solution made by James and Eleni
    • 10.4 mg BPA was dissolved in 5 mL of methanol, then diluted to 1 L with water
  • Two measurements (for GC-MS and HPLC) for each time slot:
    • 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
  • Using PVA-Clay film
Sample Vial Mass of Empty Vial (g) Mass of Film + Vial (g) Film Mass (g)
GC-MS 10/22 5 min 13.0961 13.2417 0.1456
10/22 15 min 13.0637 13.1933 0.1296
10/22 30 min 13.0670 13.2869 0.2199
10/22 60 min 13.0693 13.2071 0.1378
10/22 120 min 13.0977 13.3447 0.2470
10/22 afternoon 13.0519 13.2186 0.1667
10/23 morning 13.0361 13.1181 0.0820
10/23 afternoon 13.0016 13.1543 0.1527
10/24 13.0731 13.2344 0.1613
HPLC 10/22 5 min 13.0393 13.2924 0.2531
10/22 15 min 13.0428 13.1814 0.1386
10/22 30 min 13.0879 13.3509 0.2630
10/22 60 min 13.1562 13.3389 0.1827
10/22 120 min 13.1078 13.2840 0.1762
10/22 afternoon 13.0813 13.1784 0.0971
10/23 morning 13.1008 13.2877 0.1869
10/23 afternoon 13.0785 13.2066 0.1281
10/24 13.0254 13.1791 0.1537


Data


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