溴邻苯三酚红—氯化十六烷基三甲铵光度法同时测定锆和铪

Simultaneous Spectrophotomstric Determination of Zirconium and Hafnium with Bromopyrogallol Red and Hexadecyl-trimethyl ammonium Chloride

本文对Zr(Hf)—BPR—CTMAC体系的多元配合物进行了研究.发现在锆、铪共存时,可利用试剂加入顺序的不同,其锆、铪配合物之吸光度直有极大差异,则可分别测出锆、铪的含量,适用范围为锆(铪)0～37μg/25ml.

Multicomponent complex in the system of Zr(Hf)-BPR-CTMAC has been 'studied. In the case zirconium and hafnium are both present, the quantity of Zr and Hf and that of Hf alone can be determined respectively by using different adding sequences of reagents bromopyrogallol red which gives different absorption values of spectrophotometry to Zr and Hf complexes. The determination range of the new method is at the level of 0-37ug/25ml for Zr or Hf.