Page 239 - Analytical method for food addtives
P. 239

phosphate at pH 3. Flow
                                                                 rate 1 mL/min
                                                                 mm, 10 µm)
                                                               and guard column
                                                                 (35 × 4.6
                                                               20 %; powdered milk and cream 1 %;
                                                                   filtered through 0.45 µm filter. 20 µL
                                                                 dietetic supplement 0.5 %. Solutions
                 g minced sample with 2,4,6-tri-  10 UV at 280 nm Gradient at 1.5 mL/min A, Extrasil ODS2 acetic acid–MeOH (5:95)  cm, (25 × 0.46 methylphenol as is was added and and B, acetic acid–water 5 µm) and homogenised with acetonitrile–iso-  (5:95) precolumn Kromasil propanol (1:1). Liquid phase separated  ODS2 and re-extracted x2. Combined a








                 10                 1                   20 µL injected  injected



                 Bakery  products  Foods  Foods and  drugs  Edible oils  Dairy products  and dietetic  supplements




                 HPLC           HPLC     LC       LC       LC
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