利用楠竹叶合成壳聚糖硅胶膜并将其用作铅（II）金属吸附剂

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-06-01 DOI:10.22146/ijc.82065

H. Hasri, Diana Eka Pratiwi, Isriyanti Safitri, Satria Putra Jaya Negara

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引用次数: 0

摘要

利用壳聚糖和硅酸钠溶液，通过相反转法合成了膜。本研究旨在表征竹叶二氧化硅壳聚糖膜（SCM），并确定合成产品对铅（II）离子的吸附能力。XRF 表征显示，竹叶中的二氧化硅含量为 78.03%。吸附前的扫描电镜分析结果约为 13.0 μm，吸附后的孔径约为 9.7 μm。使用 AAS 对金属铅（II）的吸附分析结果表明，当吸附的金属铅（II）初始浓度为 10.0000 ppm 时，单片机变化 A 为 9.8101 ppm，当吸附的金属铅（II）初始浓度为 25.0000 ppm 时，单片机变化 A 为 22.3421 ppm。初始浓度为 10.0000 ppm 时，吸附的铅（II）金属变化 B 为 9.8870 ppm，初始浓度为 25.0000 ppm 时，吸附的铅（II）金属变化 B 为 23.5806 ppm。初始浓度为 10.0000 ppm 时，吸附的铅（II）金属的变化 C 为 9.9639 ppm，初始浓度为 25.0000 ppm 时，吸附的铅（II）金属的变化 C 为 24.1855 ppm。研究结果表明，单片机吸附力最高的是变体 C（2%:22.95%），吸附率为 99.63%。

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Synthesis of Chitosan Silica Membrane from Petung Bamboo (Dendrocalamus asper) Leaves and Its Application as Pb(II) Metallic Adsorbent

Membrane synthesis through a phase inversion method using chitosan and sodium silicate solutions has been conducted. This research aims to characterize the silica chitosan membrane (SCM) of petung bamboo leaves and determine the synthesized product's adsorption capacity for Pb(II) ions. The XRF characterization showed the silica content of petung bamboo leaves with a percentage of 78.03%. SEM analysis before adsorption is around 13.0 μm, and the pore diameter after adsorption is around 9.7 μm. The results of adsorption analysis of Pb(II) metal using AAS showed that the SCM variation A at an initial concentration of 10.0000 ppm Pb(II) metal adsorbed was 9.8101 ppm, and at an initial concentration of 25.0000 ppm Pb(II) metal was 22.3421 ppm. The variation B at an initial concentration of 10.0000 ppm Pb(II) metal adsorbed was 9.8870 ppm and at an initial concentration of 25.0000 ppm Pb(II) metal adsorbed was 23.5806 ppm. The variation C at an initial concentration of 10.0000 ppm Pb(II) metal adsorbed was 9.9639 ppm, and at an initial concentration of 25.0000 ppm Pb(II) metal was 24.1855 ppm. The results of this research conclude that the highest SCM adsorption power is variation C (2%:22.95%) with a percentage of 99.63%.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.