摘要
本文报道一种新的无机离子交换剂——六偏磷酸锡。通过对合成条件的选择,热分析,红外、X-射线衍射分析及离子交换性能的测定,表明它是一种交换容量大(2.55m mol/g)、热稳定性和化学稳定性好的多功能基无定形无机离子交换剂,对某些高价金属离子、Pb(Ⅱ)和Ag(Ⅰ)具有高选择性。成功用于Fe(Ⅲ)/Fe(Ⅱ)的分离和微量Fe(Ⅲ)的定量测定。
A new inorganic ion exchanger-stannic hexametaphosphate has been synthesized. The conditions of its preparation, thermal and IR analysis and ion exchange properties have been studied. It showed that the exchanger has high IEC (2.55 m mol/g) and excellent thermal and chemical stabilities, and high selectivity for some multivalent metal ions, Ag (Ⅰ) and Pb(Ⅱ). The material is applied successfully to the separation of Fe(Ⅱ)-Fe(Ⅲ) and quantitative determination of microamount Fe(Ⅲ).
出处
《分析化学》
SCIE
EI
CAS
CSCD
北大核心
1989年第2期97-102,共6页
Chinese Journal of Analytical Chemistry
基金
国家自然科学基金资助的课题
