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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.

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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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