Application of an Activated Carbon-Based Support for Magnetic Solid Phase Extraction Followed by Spectrophotometric Determination of Tartrazine in Commercial Beverages

<div>(a) Micrograph for activated carbon; (b) micrograph for magnetic modified carbon support; (c) energy dispersive spectra obtained from the analysis of zones I and II of magnetic modified carbon support.</div>

International Journal of Analytical Chemistry

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Figure 2

Figure 2: Application of an Activated Carbon-Based Support for Magnetic Solid Phase Extraction Followed by Spectrophotometric Determination of Tartrazine in Commercial Beverages 

Figure 2 | Application of an Activated Carbon-Based Support for Magnetic Solid Phase Extraction Followed by Spectrophotometric Determination of Tartrazine in Commercial Beverages 