1C11:0 (I.S.) |
---|
2C14:0 |
3C16:0 |
4C17:0 |
5C18:0 |
6C18:1 trans 9 |
7C18:1 cis 9 |
8C18:2 cis 9,12 |
9C20:0 |
10C20:2 cis 11,14 |
11C22:0 |
12C24:0 |
1C11:0 (I.S.) |
---|
2C14:0 |
3C16:0 |
4C17:0 |
5C18:0 |
6C18:1 trans 9 |
7C18:1 cis 9 |
8C18:2 cis 9,12 |
9C20:0 |
10C20:2 cis 11,14 |
11C22:0 |
12C24:0 |
Column: |
Part No: |
Phase Name: ZB-FAME |
Sample Notes: Recommended Liner: Zebron PLUS Single Taper with Wool, 4 mm ID
Liner Part No.: AG2-0A11-05 (for Agilent systems)
Inlet Seal: AG0-8620 (Gold Plated Easy Seal)
Septum: AG0-4696 (PhenoRed-400)
Sample Preparation:
1. Weigh out 100 to 200 mg of peanut butter and place it into a scintillation vial
2. Add 100 mg pyrogallic acid
3. Add 2 mL ethanol followed by 10 mL 8.3 M HCl
4. Incubate at 70 °C for 45 min
5. Extract using 2 mL diethyl ether and 2 mL chloroform
6. Blow down extraction liquid
7. Reconstitute in 1 mL toluene and 2 mL 8 % boron trifluoride in methanol
8. Cap reaction mixture, hold @ 100 °C for 45 min
9. After reaction, add 5 mL water, 1 mL hexane, and 1 g Na2SO4
10. Extract hexane layer for GC analysis |