Adsorption of Cadmium(II) from Sample Water by Using Magnetic Acrylamide Nanocomposite

IF 0.8 4区化学 Q4 SPECTROSCOPY Journal of Applied Spectroscopy Pub Date : 2024-05-10 DOI:10.1007/s10812-024-01736-6

Arman Samadzadeh Mamaghani, Mohammadreza Manafi, Mohammad Hojjati

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Abstract

The removal of Cd(II) ions was investigated from various samples of water employing magnetic acrylamide nanocomposite. The effects of magnetic acrylamide nanocomposite dosage, pH extraction, and contact time on Cd(II) removal from sample water were monitored using spectrometry. In addition, adsorption isotherm models for the sorption of Cd(II) were studied in this research. The adsorption capacity of magnetic acrylamide nanocomposite for Cd(II) was achieved at 18.64 mg/g. The removal of Cd(II) using magnetic acrylamide nanocomposite was fitted with the model of the Freundlich isotherm. This removal process provides a value coefficient (R² = 0.98) for Cd²⁺ ions and a very excellent linear range of 0.4–22 mg/L. By using a signal-to-noise ratio of 3 (limit of detection, LOD = 2.04 μg/L), the LODs for Cd²⁺ ions adsorption by magnetic acrylamide nanocomposite were attained. According to these results, magnetic acrylamide nanocomposite is a suitable adsorbent for removing Cd(II) from various water samples.

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利用磁性丙烯酰胺纳米复合材料吸附样品水中的镉(II)

利用磁性丙烯酰胺纳米复合材料研究了各种水样中镉(II)离子的去除情况。利用光谱仪监测了磁性丙烯酰胺纳米复合材料的用量、pH 值提取和接触时间对样品水中镉（II）去除率的影响。此外，本研究还对 Cd(II) 的吸附等温线模型进行了研究。磁性丙烯酰胺纳米复合材料对 Cd(II) 的吸附容量为 18.64 mg/g。利用磁性丙烯酰胺纳米复合材料去除 Cd(II) 的过程符合 Freundlich 等温线模型。该去除过程对 Cd2+ 离子的去除率为（R2 = 0.98），线性范围为 0.4-22 mg/L。在信噪比为 3 时（检测限，LOD = 2.04 μg/L），磁性丙烯酰胺纳米复合材料对 Cd2+ 离子的吸附达到了检测限。根据这些结果，磁性丙烯酰胺纳米复合材料是去除各种水样中 Cd(II) 的合适吸附剂。

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来源期刊

Journal of Applied Spectroscopy SPECTROSCOPY-

CiteScore

1.30

自引率

14.30%

发文量

145

审稿时长

2.5 months

期刊介绍： Journal of Applied Spectroscopy reports on many key applications of spectroscopy in chemistry, physics, metallurgy, and biology. An increasing number of papers focus on the theory of lasers, as well as the tremendous potential for the practical applications of lasers in numerous fields and industries.