119th General Meeting of the KCS

Type Oral Presentation
Area Oral Presentation of Young Analytical Chemists Ⅰ
Room No. 303호
Time THU 10:30-:
Code ANAL1.O-38
Subject Detection of water/oil nanoemulsion droplet using electrochemical collisions on an Ultramicroelectrode
Authors HOANGTHITUYETNHUNG, HOLETHYTHY, 박준희1,*, 김병권*
숙명여자대학교 화학과, Korea
1전북대학교 화학교육과, Korea
Abstract Herein, for the first time, research on water/oil emulsion droplet by electrochemical analysis has been reported. By the use of blocking of the single emulsion droplet, water/1,2-dichloroethane emulsion droplets collided with an ultramicroelectrode (UME) leading to the “stair-case” current decrease. Each “stair-case” current decrease corresponds to the emulsion droplet collision on UME surface. The experimental collision frequency is proportional to the concentration of emulsion droplet. In addition, each water droplet size was estimated from the magnitude of the “stair-case” current decrease with simulation data. Results obtained from the collision signals provide information about the single droplet size (nano- to micro-) and a pM concentration of the water emulsion in organic continuous phase.
E-mail hoangnhung.hus@gmail.com