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METHOD ABSTRACTSBanana (baby food): (a) spiked with 100 ppmnitrite-nitrate solution, (b) blankCarrot (baby food): (a) spiked with 100 ppmnitrite-nitrate solution, (b) blankNitrateb)a)Nitratea)Nitriteb)0.0 5.0 10.0 15.0 minNitriteCorned Beef: (a) spiked with 50 ppm nitrite and500 ppm nitrate solution, (b) blank0.0 5.0 10.0 15.0 minNitratea)b)Nitrite0.0 5.0 10.0 15.0 min121SAMPLESPIKEDCONC.(PPM)NITRITECAL.CONC.(PPM)RECOVERY DATARECOVERY(%)SPIKEDCONC.(PPM)NITRATECAL.CONC.(PPM)RECOVERY(%)Baby FoodCarrot 100 92.25 92 100 79.3 79Banana 100 94.6 95 100 102.5 103ProcessedFoodCornedBeef50 54.4 109 500 478.9 96ACKNOWLEDGMENTSJohn A. Casanova, Food and Drug Administration, 60 8 th Street, Atlanta, GA 30309REFERENCES1. 1. AOAC- Offi cial Methods of Analysis of AOAC International (2000) 17th Ed., Section 50.1.11.2. Use of Griess Reagents Containing Vanadium (III) for the Post-columnDerivatization and Simultaneous Determination of Nitrite and Nitrite in Baby Food,John A. Casanova, Lois K. Gross, Sarah E. McMullen and Frank Schenck,Food and Drug Administration, 60 8th Street, Atlanta, GA 30309.PRODUCT CATALOGPICKERING LABORATORIES10/11