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Talanta

Talanta

IF: 5.59
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Determination of benorilate in pharmaceutical formulations and its metabolite in urine at carbon paste electrode modified by silver nanoparticles

Published:15 September 2005 DOI: 10.1016/j.talanta.2005.03.009 PMID: 18970216
Cheng Yin Wang, Xiao Ya Hu

Abstract

Benorilate was determined by the differential pulse voltammetry (DPV) using a carbon paste electrode modified by silver nanoparticles in 1.25?×?10?3?mol?l?1 KH2PO4 and Na2HPO4 buffer solution (pH?=?6.88, 25?°C) .The anodic peak potential was +0.970?V (versus SCE). A good linear relationship was realized between the anodic peak currents and benorilate concentrations in the range of 1.0?×?10?7 to 2.5?×?10?4?mol?l?1 with the detection limit of 1.0?×?10?8?mol?l?1. The recovery was 95.2–103.6% with the relative standard deviation of 3.6% (n?=?9). The pharmaceutical preparations, benorilate tablets samples and its metabolite (salicylic acid) in urine were determined with the desirable results.

Substances (5)

Related products
Procduct Name CAS Molecular Formula Supplier Price
Salicylic acid 69-72-7 C7H6O3 1398 suppliers $5.00-$1700.61
BENORILATE 5003-48-5 C17H15NO5 251 suppliers $5.00-$2243.59
Silver Nanoparticles 29 suppliers Inquiry
Potassium Dihydrogen Phosphate (Fertilizer Standard) 5 suppliers Inquiry
NA 1 suppliers Inquiry

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