A New Validated Potentiometric Method for Sulfite Assay in Beverages Using Cobalt(II) Phthalocyanine as a Sensory Recognition Element

A simple potentiometric sensor is described for accurate, precise, and rapid determination of sulfite additives in beverages. The sensor is based on the use of cobalt phthalocyanine as a recognition material, dispersed in a plasticized poly(vinyl chloride) matrix membrane. -Nitrophenyl octyl ether (...

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Bibliographic Details
Published in:	Molecules (Basel, Switzerland) Vol. 25; no. 13; p. 3076
Main Authors:	Hassan, Saad S M, H Kamel, Ayman, Amr, Abd El-Galil E, Abd-Rabboh, Hisham S M, Al-Omar, Mohamed A, Elsayed, Elsayed A
Format:	Journal Article
Language:	English
Published:	Switzerland MDPI AG 06-07-2020 MDPI
Subjects:	Additives Ammonium Ammonium chloride Anions Assaying Beverage industry Beverages Beverages - analysis Calibration Catalytic oxidation Chemistry Techniques, Analytical - methods Chromatography Cobalt Discriminators Ethers - chemistry flow injection analysis Food Hydrodynamics Hydrogen-Ion Concentration Indoles - chemistry Inspection Life span Limit of Detection Membranes Membranes, Artificial method validation Methods Organometallic Compounds - chemistry Plasticizers - chemistry Polyvinyl chloride potentiometry Potentiometry - methods Pretreatment Quality assurance Quality control Quaternary Ammonium Compounds - chemistry Recognition Reproducibility of Results Selectivity Sensors Sulfite sulfite measurements sulfite sensor Sulfites - analysis Sulfites - chemistry flow injection analysis method validation sulfite sensor beverages potentiometry sulfite measurements
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