Determination of Chemical Species in Food

Dilmo Marques da Silva Leoterio (Autor)

Buch | Softcover

76 Seiten

2023
Our Knowledge Publishing (Verlag)
9786206537458 (ISBN)

Infos

In this work, analytical methods based on the concept of multicommutation were developed for analysing chemical species in food. To this end, two materials were synthesised: a coordination compound used as a solid phase in the determination of reducing sugars and a silica network used as a preconcentration resin for perchlorates. The copper (II) - 4,4 '- bipyridine coordination compound was used to develop the method for determining reducing sugars in coconut water and juices using a multicommutated flow system with spectrophotometric detection. The analysis methodology was based on the oxy-reduction reaction in an alkaline medium between the solid reagent and the reducing sugars. The reaction between the solid phase (coloured blue) and (glucose + fructose) results in a yellowish product, monitored at 420 nm. The solid phase was set at 50 mg and a temperature of 90ºC.

Autor

Dilmo Marques da Silva Leoterio holds a PhD and a Master's degree in Chemistry from the Federal University of Pernambuco. Degree in Chemistry from the Federal Rural University of Pernambuco. Experience in Chemistry, with an emphasis on analytical and inorganic chemistry.

Produkt-Details

• Erscheinungsdatum: 14.10.2023
• Sprache: englisch
• Maße: 152 x 229 mm
• Gewicht: 126 g
• Themenwelt: Naturwissenschaften ► Chemie ► Anorganische Chemie
• Schlagworte: Bipyridine • flow system • perchlorate • Potentiometry • Reducing sugar • Silica
• ISBN-13: 9786206537458 / 9786206537458
• Zustand: Neuware