中文摘要：本研究采用固相萃取法，应用二甲氨基苯甲酸涂层大孔树脂富集铜(II)、镉(II)、锌(II)、镍(II)、钴(II)和锰(II)等金属元素，并采用火焰原子吸收法测定这些元素的含量。试验分析了pH值、溶液类型、溶度、洗脱液体积、样品体积、流速、洗脱液、干扰离子等因素的影响。结果表明，该方法富集金属离子的回收率在95%以上，相对标准偏差<= 4.8%，检测限为0.71-3.55g/L，可应用于自来水、矿泉水和食品中铜(II)、镉(II)、锌(II)、镍(II)、钴(II)和锰(II)等金属元素的含量测定。
外文摘要：Application of 2-(2-benzothiazolylazo)-5-dimethyl aminobenzoic acid (BTAMB) coated Amberlite XAD-16, for preconcentration of Cu (II), Cd (II), Zn (II), Ni (II), Fe (II), Co (II) and Mn (II) by solid phase extraction and their determination by FAAS was studied. The effect of pH, type, concentration and volume of eluent, sample volume, flow rates of sample and elution solutions, and interfering ions were investigated. The optimum pH for simultaneous retention of all the metal ions was 6.5. Eluent for quantitative elution was 25 mL of 3 M HNO3. The optimum sample and eluent flow rates were found as 2 mL/min, and also sample volume was 2000 mL, except for Co (85% recovery). The sorption capacity was found between 21 and 27 mg/g and preconcentration factors ranged from 200 to 400. The recovery values for all of the metal ions were >= 95% and relative standard deviation of the determination was <= 4.8%. The detection limit values were in the range of 0.71 to 3.55 g/L. The accuracy of the method was confirmed by analysing the certified reference materials (SRM 1643e water and NCS ZC 73013 spinach) and the recovery studies. This procedure was applied successfully to the determination of Cu (II), Cd(II), Zn (II), Ni (II), Fe (II), Co (II) and Mn (II) in tap water, mineral water and food samples.
外文关键词：WATER SAMPLES； ACTIVATED CARBON； MORPHOLINE DITHIOCARBAMATE； ENVIRONMENTAL-SAMPLES； EMISSION-SPECTROMETRY； BIOLOGICAL SAMPLES； HEAVY-METALS; SILICA-GEL； PRECONCENTRATION； COPPER
作者：Alpdogan, G
作者单位：土耳其耶尔德兹技术大学
期刊名称：FRESENIUS ENVIRONMENTAL BULLETIN
期刊影响因子：0.372
出版年份：2016
出版刊次：8
点击下载：一种微量金属离子含量测定的固相萃取法