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A new microchip protocol has been developed for rapid measurements of the ‘total’ content of phenolic compounds, as well as for a detailed fingerprint identification of the ‘individual’ ones. The protocol involves the use of a microchip flow-injection analysis for fast screening and early detection of phenols and switching to the separation (fingerprint) mode once such compounds are detected. This...
This article reports on the use of cobalt(II) phthalocyanine (CoPc)-modified carbon paste amperometric detector for monitoring hydrazine compounds following their microchip separation. The marked catalytic electrochemical properties of CoPc-modified electrode display enhanced sensitivity compared with unmodified carbon pastes at a relatively low detection potential (+0.5V versus Ag/AgCl). Factors...
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