Vanadium and molybdenum concentrations in particulate from Palermo (Italy): analytical methods using voltammetry

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The main purpose of this work was to developa reliable method for the determination of vanadium (V)and molybdenum (Mo) in atmosphere particles or aerosolsbecause they can not be readily measured using conventionaltechniques. For this research, 30 particulate sampleswere collected from five different stations located atPalermo, Italy. We used the catalytic adsorptive strippingvoltammetry and differential pulsed voltammetry tomeasure Vand Mo in atmospheric particulate, respectively.The represented method includes advantages of highsensitivity, high selectivity, simplicity, reproducibility,speed and low costs. The quantification limits for V andMo are, respectively, 0.57 and 0.80 ng$m–3. The precision,expressed as relative standard deviation (RSD %), wasabout 2% for both metals. The mean recoveries of added Vand Mo were about 99.5% and ranged from 97% to 101%.Vanadium concentrations in particulate samples collectedin Palermo area ranged from 0.57 to 7.7 ng$m–3, while Moconcentrations were in the range 0.8–51 ng$m–3. In manycases the concentrations of two elements in the particulatesamples fall below the detection limits. The meanconcentrations for V and Mo in particulate samples,collected in Palermo area, were respectively 3.1 and 5.9ng$m–3.
Lingua originaleEnglish
pagine (da-a)1-10
Numero di pagine10
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

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