摘要
建立一种以纳米TiO2固相萃取及胶体吸附与石墨炉原子吸收为基础的测定饮用水中痕量Tl含量的方法。加标回收率大于97%,检出限为0.009μg/L,相对标准偏差小于5%,抗干扰能力好,可用于饮用水分析。
Thallium ion could be absorbed by nano-TiO2 and ferric hydroxide colloidal core. With ferric hydroxide, it becomes a good method to determine trace amount of thallium in drinking water by solid-phase extraction (SPE) and graphite furnace atomic absorption spectrometry (GFAAS). The detection limits of thallium by this method is 0.009 ug/L,the recovery rates is beyond 97 %, and the relative standard deviation(RSD) is less than 5 %.
出处
《净水技术》
CAS
2012年第3期68-70,共3页
Water Purification Technology