x
uploads/selenious.jpg

selenious adj.【化學】二價硒的,亞硒的;四價硒的。

selenite

Polysaccharides are main energy sources of human body and possess some important physiological functions . in this paper , polysaccharides were used as the soft templates in synthesizing selenium nanoparticles which were produced with the reduction of selenious acid by ascorbic acid . the effect factors of synthetic reaction were studied and selenium nanoparticles obtained were characterized 本文以幾種生物多糖為軟模板,采用抗壞血酸還原亞硒酸的方法合成納米硒,研究了制備反應的影響因素,得到了多種形貌的納米硒,并采用光譜法、透射電鏡、掃描電鏡、 x射線衍射等方法對產物進行了表征。