Page 271 - Analytical method for food addtives
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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
   266   267   268   269   270   271   272   273   274   275   276