DataVXACS Applied Nano MaterialsPaper
journal article·2024-03-22

Prussian Blue Loaded on Magnetic Sepiolite Nanocomposites for Detection of Thallium Using Total Reflection X-ray Fluorescence Spectroscopy

Lu Deng, Runjuan Wu, Linlin Zhang, Ruirui Zhu, Jun Zou, Changcheng Gu, Yeyao Wang, Chunyi Tong, Rilong Zhu

ACS Applied Nano Materials· Volume 7· Issue 6
Publisher page
Source abstract

Abstract

As a highly toxic element, it is crucial to accurately detect the concentration of ththalium (Tl) on-site in the environment. However, the low concentration is out of the measurement range of many instruments. Pre-enrichment will significantly decrease the lower detection limit of the instruments. Here, Prussian blue loaded on magnetic sepiolite (PB/Fe 3 O 4 /SEP) nanocomposites have been synthesized and utilized as an adsorbent to enrich and separate the trace amounts of heavy metal Tl(I) from wastewater. The maximum adsorption capacity of PB/Fe 3 O 4 /SEP nanocomposites for Tl(I) is about 177.3 mg·g –1, and the recovery efficiency is over 94%. After pre-enrichment, the detection limit of total reflection X-ray fluorescence spectroscopy (TXRF) was reduced to 0.84 μg·L –1, about 100 times greater than that without enrichment. In all, the combined strategy of pre-enrichment by PB/Fe 3 O 4 /SEP nanocomposites and detection by TXRF is suitable for on-site emergency monitoring of Tl(I).
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Thallium and Germanium Studies · Inorganic Chemistry and Materials · Boron and Carbon Nanomaterials Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Biology, College of Chemistry and Chemical Engineering, College of Environmental Science and Engineering, Hunan University, Changsha 410082, China

China National Environmental Monitoring Centre, Beijing 100049, P. R. China

Shaanxi Key Laboratory of Environmental Monitoring and Forewarning of Trace Pollutants, Xi’an 710006, Shanxi, China

Hunan Provincial Ecological Environment Monitoring Center, Changsha 410082, China

Funding

Hunan Province · Shaanxi Key Laboratory of Environmental Monitoring and Forewarning of Trace Pollutants · Key Laboratory of Heavy Metal Pollution Prevention and Control, Ministry of Agriculture and Rural Affairs · Construction and Visualization of Water Ecological Security Monitoring and Early Warning System in Key River Basins of Chenzhou City

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