In addtion to I_(2),there are(AuI)_(n)nanoparticle and IO~-_(3)in the system. A new analytical reagent of AuI~-_(2)in resonance scattering spectral analysis has been prepared.

• 结果表明；反应过程中不仅生成了I2；而且有(AuI)n纳米微粒和IO3-存在；AuI2-可作为共振散射光谱分析新试剂.