Sorption-Spectrophotometric Determination of Lanthanum, Gadolinium, and Ytterbium Using Chlorophosphonazo III on a PANF-Chel Adsorbent

被引：0

作者：

Dedkova, V. P. ^{[1
]}

Shvoeva, O. P. ^{[1
]}

Savvin, S. B. ^{[1
]}

机构：

[1] Russian Acad Sci, Vernadsky Inst Geochem & Analyt Chem, Moscow 119991, Russia

来源：

JOURNAL OF ANALYTICAL CHEMISTRY | 2011年 / 66卷 / 10期

关键词：

diffuse reflection spectrometry; lanthanum; gadolinium; ytterbium; adsorbent; Chlorophosphonazo III; ARSENAZO-III; SOLID-PHASE; REAGENTS;

D O I：

10.1134/S1061934811080089

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The possibilities of the sorption-spectroscopic determination of the sum of rare-earth elements have been studied on an example of La, Gd, and Yb as representatives of the light, middle, and heavy rare earth elements. The determination is carried out after the sorption from solutions with pH 3 onto the surface polyacrylonitrile fiber loaded with a Chel-100 ion exchanger followed by complexation with Chlorophosphonazo III. A dynamic version of the sorption-spectroscopic determination of the sum of La, Gd, and Yb has been developed for the concentration range 5-30 ng/mL with a detection limit of 3 ng/mL. The method was tested in the analysis of model solutions of CaCl(2), FeCl(3), and TiCl(4); RSD < 20%.

引用

页码：937 / 940

页数：4

共 13 条

[1] Sorption-spectrophotometric determination of lanthanum, gadolinium, and ytterbium using chlorophosphonazo III on a PANF-Chel adsorbent
V. P. Dedkova
O. P. Shvoeva
S. B. Savvin
Journal of Analytical Chemistry, 2011, 66 : 937 - 940
[2] Sorption-spectrophotometric determination of bismuth ion (III) using immobilised xylenol orange on modified polyacrylonitrile
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[3] SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM IN STEELS AND ALLOYS USING CHLOROPHOSPHONAZO-III
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[5] Spectrophotometric determination of protein by using barium(II)-chlorophosphonazo III complex as spectral probe
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[8] Sorption-spectrophotometric determination of zirconium and chromium(VI) from a single sample on a two-layer support using Arsenazo III and 1,5-diphenylcarbazide
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[9] Sorption-spectrophotometric determination of zirconium and chromium(VI) from a single sample on a two-layer support using Arsenazo III and 1,5-diphenylcarbazide
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