Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/1145
Title: Evaluation of kinetic parameters at the transport of indole-3-acetic acid through bulk liquid membranes
Authors: Serban, Ecaterina Anca
Diaconu, Ioana
Ruse, Elena
Badea, Georgiana Elena
Cuciureanu, Adriana
Nechifor, Gheorghe
Keywords: Indole-3-acetic acid
Bulk liquid membrane
Tributyl phosphate (TBP)
Kinetic model
Trioctylphosphine oxide (TOPO)
Issue Date: 2017
Publisher: SYSCOM 18 SRL
Abstract: Indole-3-acetic acid is a growth phytohormone considered the most important representative of auxin class. This paper presents the assessment of some kinetic parameters in the process of transport of indole- 3-acetic acid taking into consideration the kinetic model of consecutive irreversible first order reactions. It was pursued the influence upon the process of parameters such as: feed phase concentration, stripping phase concentration in the presence of two type carriers: tributyl phosphate (TBP) and trioctylphosphine oxide (TOPO). Depending on these transport parameters were calculated kinetics parameters such as: pseudo-first-order apparent membrane entrance and exit rate constants, the maximum flux at the entrance and exit out of the membrane. The highest values of the transport flux is obtained in the presence of carrier trioctylphosphine oxide (TOPO) at the concentration in the feed phase of 10-4mol/L indole-3-acetic acid and a concentration of 10(-2) mol/L NaOH in the stripping phase.
Description: Revista de Chimie (Bucuresti), 2017, 68(5), p. 903-907
URI: http://hdl.handle.net/123456789/1145
ISSN: 2537-5733
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