Department of Food Technology, Gemerek Vocational School, Cumhuriyet University, 58840 Sivas, Turkey.
Department of Chemistry, Faculty of Sciences, Erciyes University, 38039 Kayseri, Turkey.
Food Chem. 2016 Jul 15;203:283-291. doi: 10.1016/j.foodchem.2016.02.078. Epub 2016 Feb 11.
In this study, we developed a simple and rapid solid phase extraction (SPE) method for the separation/preconcentration and determination of some trace metals by flame atomic absorption spectrometry (FAAS). A new chelating resin, poly [2-(4-methoxyphenylamino)-2-oxoethyl methacrylate-co-divinylbenzene-co-2-acrylamido-2-methyl-1-propanesulfonic acid] (MPAEMA-co-DVB-co-AMPS), was synthesized and characterized. This chelating resin was used as a new adsorbent material for determination of Cd(II), Co(II), Cr(III), Cu(II), Fe(III), Mn(II), Pb(II), and Zn(II) ions. The parameters influential on the determination of this trace metals were examined. Under the optimum conditions, the detection limits (DL) of the method for trace metals were found to be (3s) in the range of 0.9-2.2 μg L(-1) (n=21), the preconcentration factor was calculated as 200 and the relative standard deviation was obtained achieved as ⩽2% for n=11. The method was performed for the determination of trace metals in some honey samples and standard reference materials.
在这项研究中，我们开发了一种简单快速的固相萃取（SPE）方法，用于火焰原子吸收光谱法（FAAS）分离/预浓缩和测定痕量金属。合成并表征了一种新型螯合树脂，聚[2-（4-甲氧基苯氨基）-2-氧代乙基甲基丙烯酸酯-co-二乙烯基苯-co-2-丙烯酰胺基-2-甲基-1-丙磺酸]（MPAEMA-co-DVB-co-AMPS）。该螯合树脂被用作测定 Cd(II)、Co(II)、Cr(III)、Cu(II)、Fe(III)、Mn(II)、Pb(II)和 Zn(II)离子的新型吸附材料。考察了影响痕量金属测定的参数。在最佳条件下，该方法测定痕量金属的检出限（DL）在 0.9-2.2μg/L（n=21）范围内，富集因子计算为 200，相对标准偏差 ⩽2%（n=11）。该方法用于测定一些蜂蜜样品和标准参考物质中的痕量金属。
