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
|