Page 271 - Analytical method for food addtives
P. 271
Analytical methods for food additives
180
Reference
Detection
Method conditions
g of packaging material was Soxhlet 7 FID at 370 ºC Di(2-ethylhexyl)adipate (DEHA) Column: HP-5MS 0.25 µm film. extracted with chloroform–methanol Temperature programmed 70–280 ºC. Carrier gas: helium. transferred to 50 mL vol flask and Split injector 1:25, 2 µL injection made up to volume with chloroform– methanol. 1 mL trans
Sample preparation 1 (2:1), 50 mL for 6 h. Extracts GC–MS analysis silylated with 9-anthryldiazomethane
Matrix Packaging materials Starch Matrix Urine Ice lollies
Table 14.1 cont’d Method GC–MS GC (b) Method HPLC Ion-exclusion chromatography