广西师范大学学报（自然科学版）2006，Vol.24Issue(1)：68-71,4.
IO3--I3--吖啶红体系的共振散射光谱研究及应用
Spectral Study of Acridine Red Association Particle System and Its Application to Determination of Trace IO3-
摘要
Abstract
Under the conditions of HCl-KI,acridine red (AR) has a max absorption peak at 540 nm,the max absorption peak of acridine orange (AO) at 480 nm. There is a fluorescence peak at 550 nm for AR and at 520nm for AO. When there is IO3-,it reacts with excessive I- to form I3-. The two dyes and I3- all combine to form an association particle, respectively. To the systems of AR,it exhibits a strong resonance scattering (RS) peak at 605 nm. IO3- concentration in 1. 0× 10-7～4. 0× 10-6 mol/L is proportional to the resonance scattering peak at 605 nm. There is hypochromic effect at absorption wavelength of 540 nm,and fluorescence quenching at 550 nm. To the systems of AO,the RS peak at 560 nm is most sensitive with IO3- concentration in 2. 0× 10-7～1.2× 10-5 mol/L. The system of AR is applied to the determination of IO3- in table salt.关键词
碘酸根/吖啶红/缔合微粒/共振散射Key words
IO3-/acridine red/association particle/resonance scattering分类
化学化工引用本文复制引用
蒋治良,邹明静,梁爱惠,尹传磊..IO3--I3--吖啶红体系的共振散射光谱研究及应用[J].广西师范大学学报（自然科学版）,2006,24(1):68-71,4.基金项目
National Natural Science Foundation of China (20365001) （20365001）
