Palavras-chave
piezoelectric sensor
phthalocyanine nickel(II)
quartz crystal
Como Citar
Resumo
Carbon monoxide was detected and determined by a piezoelectric quartz crystal sensorcoated with nickel(II)-phthalocyanine 50 % (v/v) solution in glycerine. Studies on the effect of
temperature, flow rate, and some possible interferents were carried out. Calibration curves, sensor
stability (lifetime) and the precision of measurements were also verified. The resulting selectivity is
probably due to the coordinative binding between the electronically unsatured metal complexes and the
analyte. The analytical curve is linear in the concentration range 0.10 to 1.0 % (v/v).
Referências
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