离子色谱法（安培检测器）测定血清、尿及头发中微量碘

This paper intreduces a reasonable pretreatment method for IC-amperometric method employed to measuretrace amount of iodine in serum, urine and hair. The resultant graph is simple and clear,and withoutinterference in a general way. The limits of detection for iodine in serum,urine and hair are 0.007,0.003μg/mL and 0. 046μg/g, respectively.The recovery of iodine added into the sample is 82～93%. The coefficient ofvariation is less than 9%. Trace amount of bromine in the sample can also be measured simultan     

石墨炉原子吸收光度法中摩尔灵敏度定义及其周期趋势

原子吸收光度法中摩尔灵敏度pM和pMc定义为pM=-log(m(?)/A_w)和pMc=-log(C/A_w)。式中m(?)和C分别相当于1%吸光度的质量(克)和浓度(克/毫升),A_w是原子量pM和pMc的周期趋势被检验了。实验发现,无论是石墨炉原子吸收法(GFAAS),还是火焰原子吸收光度法(FAAS)或原子荧光光度法(AFS),pM和pMc值都与元素金属结合能存在很好的镜像对称关系。