首页 | 本学科首页   官方微博 | 高级检索  
     检索      


Physico‐chemical study of sucrose and calcium ions interactions in alkaline aqueous solutions
Authors:Nathalie Pannetier  Abdel Khoukh  Jeanne Franois
Abstract:Interactions between sucrose and calcium hydoxide have been the subject of our work. They were studied in dilute solutions (sucrose concentration <40% w/w, with a molar stoichiometric ratio Ca(OH)2/sucrose <2) by several physico‐chemical methods, titration of free and bound calcium ions, 13C NMR spectroscopy, static light scattering and low shear viscosimetry. From these analyses we propose a polymer‐like complex formation with calcium ions bound to at least two sucrose molecules. Moreover, this polymer‐like aggregate can be described as a linear short chain at low Ca(OH)2 and sucrose concentrations and as dense fractal particles at higher concentrations.
Keywords:
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号