A New Electrochemical Method to Detect Sunset Yellow, Tartrazine and Thiomersal in a Pharmaceutical Dose Using a Carbon Paste Electrode Decorated with Molybdenum Oxide

Penagos-Llanos Johisner; Garcia-Beltran Olimpo; Nagles EdgarHurtado John J.

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A New Electrochemical Method to Detect Sunset Yellow, Tartrazine and Thiomersal in a Pharmaceutical Dose Using a Carbon Paste Electrode Decorated with Molybdenum Oxide

机译：A New Electrochemical Method to Detect Sunset Yellow, Tartrazine and Thiomersal in a Pharmaceutical Dose Using a Carbon Paste Electrode Decorated with Molybdenum Oxide

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This report allowed the detection of three substances using a carbon paste decorated with MoO2(MoO/CPE). Tartrazine (TZ), sunset yellow (SY) and thiomersal (TMS) were analyzed for adsorptive voltammetry. The electrode was characterized by scanning electron microscopy, energy dispersive spectroscopy and cyclic voltammetry. TZ, SY and TMS were observed at 1.07, 0.80 and 0.95 V respectively. The detection limits (3*sigma/m) for TZ, SY and TMS were 0.04, 0.06 and 0.10 mu mol/L, respectively. The new analytical method was applied using pharmaceutical samples.

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来源
《Electroanalysis》 |2020年第10期|2174-2182|共9页
作者
Penagos-Llanos Johisner; Garcia-Beltran Olimpo; Nagles EdgarHurtado John J.;
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作者单位

Univ Ibague, Fac Ciencias Nat & Matemat, Carrera 22 Calle 67, Ibague 730001, Colombia;

Univ Nacl Mayor San Marcos, Fac Quim & Ingn Quim, Dept Quim Analit, Lima 07001, Peru;

Univ Andes, Dept Chem, Carrera 1 18 A-12, Bogota 111711, Colombia;

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正文语种英语
中图分类电化学、电解、磁化学;
关键词
Tartrazine; Sunset yellow; Thiomersal; Carbon paste; Molybdenum oxide;

A New Electrochemical Method to Detect Sunset Yellow, Tartrazine and Thiomersal in a Pharmaceutical Dose Using a Carbon Paste Electrode Decorated with Molybdenum Oxide

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