Page 203 - Analytical method for food addtives

Analytical methods for food additives
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Sample preparation Reference Detection Method conditions 23 Mass selective The derivatised extract injected into Simple pre-concentration based on GC–MS system solid phase (anion exchange) disk extraction, and in-vial elution and silylation 22 FID Glass column packed with 3 % Dissolved in NH 3 –NH 4 Cl buffer soln SE-

Matrix Alcoholic beverages Soft drinks and jams Strawberry tree fruits

Table 10.1 cont’d (b) Method GC–MS GC GC–MS