کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10558581 | 969148 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Inductively coupled plasma-atomic emission spectrometry method for determination of trace metals in alkaline-earth matrices after flotation separation
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Inductively coupled plasma-atomic emission spectrometry method for determination of trace metals in alkaline-earth matrices after flotation separation Inductively coupled plasma-atomic emission spectrometry method for determination of trace metals in alkaline-earth matrices after flotation separation](/preview/png/10558581.png)
چکیده انگلیسی
An inductively coupled plasma-atomic emission spectrometry (ICP-AES) method is developed for determination of Cd, Co, Cr, Cu, Ni, Tl and Zn in traces in calcite, CaCO3, dolomite, CaMg(CO3)2, and gypsum, CaSO4. Interferences of a Ca/Mg matrix on analyte intensities were investigated. The results reveal that Ca does not interfere with Cr, Ni and Zn, but tends to decrease the intensity of the other elements. Magnesium as a matrix element does not interfere on with Zn, but increases the intensities of Ni, Cr and Cu, and decreases the intensities of Cd, Co and Tl. To eliminate these matrix interferences on trace element intensities, a flotation separation method is proposed. Lead(II) hexamethylenedithiocarbamate, Pb(HMDTC)2, is applied as a collector for flotation of trace elements from acidic solutions of mineral samples. The flotation of acidic aqueous solutions of calcite, dolomite and gypsum was performed at pH 6.0, using 10 mg lâ1 Pb and 0.3 mmol lâ1 HMDTCâ added to 1 l of solution tested. The method detection limits of analytes in different minerals range from 0.02 to 0.06 μg gâ1 for Cd, 0.04 to 0.10 μg gâ1 for Co, 0.03 to 0.13 μg gâ1 for Cr, 0.02 to 0.16 μg gâ1 for Cu, 0.09 to 0.30 μg gâ1 for Ni, 6.45 to 7.71 μg gâ1 for Tl and 0.18 to 0.20 μg gâ1 for Zn.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Spectrochimica Acta Part B: Atomic Spectroscopy - Volume 60, Issue 3, 31 March 2005, Pages 403-407
Journal: Spectrochimica Acta Part B: Atomic Spectroscopy - Volume 60, Issue 3, 31 March 2005, Pages 403-407
نویسندگان
Vesna Zajkova Paneva, Katarina Äundeva, TrajÄe Stafilov,