Electrothermal atomic absorption spectrometric determination of nickel after its flotation enrichment by iron(III) hexamethylenedithiocarbamate

被引:0
作者
Stafilov, T [1 ]
Pavlovska, G [1 ]
Cundeva, K [1 ]
机构
[1] Univ St Cyril & Methudius, Fac Sci, Inst Chem, Skopje 91001, Macedonia
来源
TURKISH JOURNAL OF CHEMISTRY | 2000年 / 24卷 / 04期
关键词
nickel; preconcentration; colloid precipitate flotation; iron(III) hexamethylenedithiocarbamate; collector; water; atomic absorption spectrometric determination;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Nanogram quantities of nickel were removed from 1 L samples of dilute aqueous solutions by coflotation. A mixture of hydrated iron(III) oxide (Fe2O3. xH(2)O) and iron(III) hexamethylenedithiocarbamate (Fe(HMDTC)(3)) served as collectors. After flotation separation from the mother liquor, the solid sublate containing nickel traces was dissolved and the analyte was determined by electrothermal atomic absorption spectrometry (ETAAS). All important parameters necessary for the successful collection of nickel were checked. The results of nickel ETAAS analysis in tap and spring waters were compared with inductively coupled plasma-atomic emis-sion spectrometric measurements (TCP-AES). The limit detection of nickel by the ETAAS method is 0.0078 mug/L.
引用
收藏
页码:303 / 310
页数:8
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