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

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Eluent</td><td align="center">Signal 1</td><td align="center">Signal 2</td><td align="center">Signal 3</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">Methanol</td><td align="center">0.6000</td><td align="center">0.6010</td><td align="center">0.6020</td></tr><tr><td align="left">Basified methanol</td><td align="center">0.7720</td><td align="center">0.7700</td><td align="center">0.7700</td></tr><tr><td align="left">Acetonitrile</td><td align="center">0.1460</td><td align="center">0.1460</td><td align="center">0.1450</td></tr><tr><td align="left">Basified acetonitrile</td><td align="center">0.4440</td><td align="center">0.4420</td><td align="center">0.4440</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Results of the evaluation of different systems for tartrazine elution.

International Journal of Analytical Chemistry

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Table 3

Table 3: Application of an Activated Carbon-Based Support for Magnetic Solid Phase Extraction Followed by Spectrophotometric Determination of Tartrazine in Commercial Beverages 

Table 3 | Application of an Activated Carbon-Based Support for Magnetic Solid Phase Extraction Followed by Spectrophotometric Determination of Tartrazine in Commercial Beverages 