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Characterization of carrageenan by densitometry

By Halina Poledňáková


The density of the carrageenan solution was investigated by densitometry depending on temperature and concentration. Subsequently, ultrasonic velocity was examined using densitometry and high-resolution ultrasonic spectroscopy. The measurements were executed using aqueous and sodium chloride solutions of carrageenan in a broad range of concentrations. It was found that the carrageenan samples are not liable to irreversible changes of density and ultrasonic velocity in dependence on temperature and concentration . Furthermore, it was proved that carrageenan in both mediums is stable, the samples do not exhibit degradation or changes in the properties of the ionic strength effect

Topics: high resolution ultrasonic spectroscopy (HRUS); ultrazvuková spektroskopie s vysokým rozlišením (HRUS); density; densitometrie; ultrasonic velocity; hustota; densitometry; karagenan; ultrazvuková rychlost; carrageenan
Publisher: Vysoké učení technické v Brně. Fakulta chemická
Year: 2015
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