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RESEARCH PRODUCT
Electrochemical determination of boron in minerals and ceramic materials
D. J. Yusá-marcoJosé Vicente Gimeno-adelantadoM. Moya-morenoFrancisco Bosch-reigS. Sánchez-ramosAntonio Doménech-carbósubject
Stripping (chemistry)ChemistryPotentiometric titrationAnalytical chemistrychemistry.chemical_elementSquare waveCeramic materialsElectrochemistryBiochemistryAnalytical ChemistryBOROvisual_artvisual_art.visual_art_mediumEnvironmental ChemistryCeramicBoronVoltammetrySpectroscopydescription
Abstract A method for quantitatively determining boron in minerals and ceramic materials is described. It is based on the abrasive attachment of mixtures of ZnO plus sample to PIGEs. After a reductive deposition step, square wave voltammograms recorded for those modified electrodes immersed into 0.10 M NaCl+0.25 M mannitol provide well-defined stripping peaks at −0.85 and −0.15 V vs. AgCl/Ag for the oxidation of Zn and B, respectively. The quotients between the peak areas and the peak currents for the stripping oxidation of B and Zn vary linearly with the molar ratio of B and Zn in the mixture, thus providing an electrochemical method for determining the boron content in solid samples. Results for boron-containing minerals and ceramic frits are in excellent agreement with those obtained by a potentiometric reference method.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2004-01-01 | Analytica Chimica Acta |