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Terahertz time-domain spectroscopy has been used to probe the properties of four carbon allotropes with a sequenced c-axis stacking order: single-layer reduced graphene oxide, few-layer graphene oxide, disordered needle coke and highly organized graphite. The results obtained demonstrate a very high sensitivity to the structural characteristics of the tested samples. The multi-layer materials show...
Screen-printed carbon electrodes (SPCEs) electrochemically platinised (Pt-SPCEs) and screen-printed platinised carbon electrodes (SPC Pt Es) have been chronoamperometrically characterized for the determination of formaldehyde (FA). The oxidation current registered at 600mV in the FA concentration range from 0.99 to 9.09mmolL −1 , led to higher precision values in terms of repeatability...
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