Thermodynamic Properties of Water Adsorption on Gaplek Flour Fortified with Red Bead Tree Seed

Autor:	Margareta Novian Cahyanti, Alvama Pattiserlihun
Jazyk:	English<br />Indonesian
Rok vydání:	2018
Předmět:	The moisture sorption isotherm data of gaplek flour fortified with read bead tree seed stored in a chamber the relative humidity of chamber raging from 10% to 97% regulated using saturated salt solution were determined at three temperatures 25 35 and 4 Chemistry QD1-999
Zdroj:	Molekul, Vol 13, Iss 2, Pp 114-122 (2018)
Druh dokumentu:	article
ISSN:	1907-9761 2503-0310
DOI:	10.20884/1.jm.2018.13.2.411
Popis:	The moisture sorption isotherm data of gaplek flour fortified with red bead tree seed stored in a chamber, the relative humidity of chamber ranging from 10% to 97% regulated using a saturated salt solution, was determined at three temperatures 25°, 35°, and 45 °C. The experimental data used to determine the thermodynamic functions were isosteric heat of sorption, sorption entropy, and free energy changes. The sorption isosteric heats were determined by the application of the Clausius–Clapeyron equation. Isosteric heats of adsorption increased to maximum level and then declined with increase of moisture content. Adsorption entropy increased to maximum level and then declined with the increase of moisture content. The free energy changes increased with increase in moisture content. The spreading pressure increased with increasing water activity.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/c0835d7415aa459aa84481b9154fb973 Zobrazit plný text záznamu View record in DOAJ