Simultaneous Determination of Synthetic Food Dyes Using a Single Cartridge for Preconcentration and Separation Followed by Photometric Detection

Table 1

Results for the determination of dyes in beverages “Fresh” and “Orange” (n = 3, ).

Beverage	Official method (mg·L^−1)		Proposed method (mg·L^−1)
	TAR	SY	TAR	SY
“Fresh”	4.2 ± 1.5	12.6 ± 1.9	3.5 ± 0.3	13.4 ± 1.3
“Orange”	14.8 ± 1.4	4.8 ± 1.7	15.3 ± 1.5	5.2 ± 0.5