Abstract：
:A new nanocomposite (ZnO/Cysteic acid) was deposited on glassy carbon electrode by cyclic voltammetry. Uniform deposition of the nanocomposite was observed by scanning electron microscopy. The electron transfer characteristics of two food additives, sunset yellow and tartrazine, were greatly improved on the modified electrode. The prepared electrode was used in the sensitive simultaneous determination of sunset yellow and tartrazine by differential pulse voltammetry. Linear calibration curves were obtained in the concentration ranges of 0.1-3.0, and 0.07-1.86μM, and detection limits of 0.03 and 0.01μM for sunset yellow and tartrazine, respectively. The proposed method was evaluated by determination of the dyes in processed soft drinks with satisfactory results (recovery>95% and RSD%<5%).
journal_name
Food Chemjournal_title
Food chemistryauthors
Dorraji PS,Jalali Fdoi
10.1016/j.foodchem.2017.01.071subject
Has Abstractpub_date
2017-07-15 00:00:00pages
73-77eissn
0308-8146issn
1873-7072pii
S0308-8146(17)30082-1journal_volume
227pub_type
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