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首页> 外文期刊>International journal of environmental analytical chemistry >Starch coated titanium dioxide nanoparticles as a challenging sorbent to separate and preconcentrate some heavy metals using graphite furnace atomic absorption spectrometry
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Starch coated titanium dioxide nanoparticles as a challenging sorbent to separate and preconcentrate some heavy metals using graphite furnace atomic absorption spectrometry

机译：淀粉涂覆的二氧化钛纳米颗粒作为具有挑战性的吸附剂，使用石墨炉原子吸收光谱法分离和预浓缩一些重金属

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摘要

In this study, a challenging nanosorbent was described for preconcentration/separation method based on the sorption of cadmium, cobalt, copper, nickel, lead on starch coated titanium dioxide nanoparticles and its analysis by graphite furnace atomic absorption spectrometry. Optimum conditions were investigated for quantitative sorption. By using the proposed technique, the analyte elements were determined in spiked tap-water samples in the range of 95% confidence level. Limit of detection (3) was 0.05, 0.28, 1.90, 3.10 and 0.11 mu g/L (3 sigma, N=10) for cadmium, cobalt, copper, nickel and lead, respectively. The optimised technique is fast, easy handled, simple and environmental friendly.
机译：在这项研究中，基于镉，钴，铜，镍，铅在淀粉包覆的二氧化钛纳米颗粒上的吸附及其石墨炉原子吸收光谱法的分析，描述了一种富挑战性的纳米吸附剂用于预浓缩/分离方法。研究了定量吸附的最佳条件。通过使用所提出的技术，在加标自来水样品中测定分析物元素的置信度为95％。镉，钴，铜，镍和铅的检出限（3）分别为0.05、0.28、1.90、3.10和0.11μg / L（3 sigma，N = 10）。优化的技术是快速，易于处理，简单且环境友好的。

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