研究了腐殖酸酚醛树脂对水中痕量的铜、镉、银和镍的富集性能.结果表明,当pH大于6.0时,铜、镉、银和镍均可被腐殖酸酚醛树脂定量的吸附,q分别可达78.50、19.60、49.80和30.00 mg/g.吸附的铜、镉、银和镍均可以用1mol/L的HNO3溶液完全解脱回收.实现对水中痕量的铜、镉、银和镍的富集.该法已用于自来水和蒸馏水中铜、镉、银和镍同时富集测定.
参考文献
| [1] | 国家环境保护总局.水和废水分析监测方法[M].北京:中国环境科学出版社,2002:323-384. |
| [2] | Zhenhua Li;Xijun Chang;Xiaojun Zou .Chemically-modified activated carbon with ethylenediamine for selective solid-phase extraction and preconcentration of metal ions[J].Analytica chimica acta,2009(2):272-277. |
| [3] | Shabani, AMH;Dadfarnia, S;Dehghani, Z .On-line solid phase extraction system using 1,10-phenanthroline immobilized on surfactant coated alumina for the flame atomic absorption spectrometric determination of copper and cadmium[J].Talanta: The International Journal of Pure and Applied Analytical Chemistry,2009(4):1066-1070. |
| [4] | Dondu Serpil Kacar Peker;Orhan Turkoglu;Mustafa Soylak .Dysprosium(III) hydroxide coprecipitation system for the separation and preconcentration of heavy metal contents of table salts and natural waters[J].Journal of hazardous materials,2007(1/2):555-560. |
| [5] | Tatiane de A M;Edmar M;Daniel L G B et al.Curtius Cloud point extraction for the determination of lead and cadmium in urine by graphite furnace atomic absorption spectrometry with multivariate optimization using Box-Behnken design[J].Spectrochimica Acta Part B:Atomic Spectroscopy,2007,62:1019-1027. |
| [6] | 罗道成,易平贵,陈安国,胡忠于.腐植酸树脂对电镀废水中重金属离子的吸附[J].材料保护,2002(04):54-56. |
| [7] | 王彦,张东.用腐植酸树脂分离富集-火焰原子吸收法测定电镀液中痕量铅[J].材料保护,2007(05):74-75. |
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