DETERMINATION OF SE(IV) IN WATER BY NEUTRON-ACTIVATION ANALYSIS AFTER COPRECIPITATION OF METAL DIBENZYLDITHIOCARBAMATE WITH PHENOLPHTHALEIN

被引:13
作者
SALEH, AI
WOITTIEZ, JRW
WALS, GD
DAS, HA
机构
[1] Netherlands Energy Research Foundation, Petten (N. H.), 1755 ZG
来源
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1990年 / 140卷 / 02期
关键词
D O I
10.1007/BF02039508
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A neutron activation analysis method for the determination of Se(IV) in natural waters is described. It is based on the coprecipitation of the metal dibenzyldithiocarbamate with phenolphthalein. The precipitate is collected on 0.45 μm membrane filters and selenium is determined by instrumental neutron activation. A Se(IV) radiotracer (75Se, T=120 d) was used to establish optimum conditions and to evaluate the chemical yield. Samples of sea and canal water were analyzed. © 1990 Akadémiai Kiadó.
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页码:357 / 363
页数:7
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