摘要
采用分光光度法 ,选用560、605、669nm三波长消除Fe(Ⅵ)对Fe(Ⅳ)的干扰而测定Fe(Ⅳ)的浓度 ,选用507、695.8nm双波长消除Fe(Ⅳ)对Fe(Ⅵ)的干扰而测定Fe(Ⅵ)的浓度 ;该法快速、准确、可靠 ,回收率可以达到99 %～102 % ;对于多种高铁酸盐共存时的测定不失为一种有效的方法。
This paper presents the simultaneous determinations of Fe(Ⅵ)and Fe(Ⅳ)in ferrate solution with tri-wavelength and dual-wavelength spectrophotometry.The former was used for the determination of Fe(Ⅳ)to eliminate the Fe(Ⅵ)interference and the three wavelengths selected were560、605and669nm.The latter was used forthe determination ofFe(Ⅵ)toeliminate the Fe(Ⅳ)interference and the waveˉlengths selected were507and695.8nm.The proposed method is fast,accurate and reliable.The reco- very was99%～102%.
出处
《分析测试学报》
CAS
CSCD
北大核心
2004年第1期61-63,共3页
Journal of Instrumental Analysis
基金
河南省科技攻关项目 (981090308)
