SPE cleanup pretreatments. Table two. Recovery of tartrazine from fortified samples of
SPE cleanup pretreatments. Table two. Recovery of tartrazine from fortified samples of orange juice by icELISA.Intra-Assay (n = 5) Fortified Level (mg/mL) Diluted Level (ng/mL) Measure Level (ng/mL) 0.110 ?.008…