十八烷基键合硅胶筒萃取富集铅(II)及火焰原子吸收光谱法测定

Q4 Medicine

Journal of Chemical Health Risks Pub Date : 2012-01-29 DOI:10.22034/JCHR.2012.543978

A. Moghimi, M. Shaabanzadeh

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引用次数: 0

摘要

利用铅(II)的1-(2-吡啶基偶氮)2-萘酚(PAN)配合物在十八烷基键合硅胶筒上的吸附，建立了一种简便的铅(II)的预富集方法。考察了酸度、洗脱剂、色谱柱稳定性、样品体积和干扰离子等因素的影响。吸附的配合物可用环保型HNO34M洗脱，火焰原子吸收光谱法测定铅(II)的浓度。该方法可达到50µgL−1的检出限，并成功地应用于自来水和废水样品中铅(II)的测定。

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Extraction and PerconcentrationLead (II) Using Octadecyl Bonded Silica Cartridge and Determination by FAAS

A simple method has been developed for the preconcentration of Lead (II) based on the adsorption of its 1-(2-Pyridyl Azo)2-Naphtol (PAN) complex on aOctadecyl bonded silica cartridges. The influence of acidity, eluting agents, stability of the column, sample volume and interfering ions has been investigated in detail. The adsorbed complex could be eluted using environmentally benign HNO34M and the concentration of Lead (II) was determined flame atomic absorption spectrometry. A detection limit of 50 µgL −1 could be achieved and the developed procedure was successfully applied for the determination of Lead (II) in tap water and waste water samples.

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来源期刊

Journal of Chemical Health Risks Environmental Science-Health, Toxicology and Mutagenesis

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

3 weeks