Selective and simultaneous high resolution 2-D imaging of AsIII, CrIII and SbIII and dissolved oxygen by developing a new DGT technique comprising a hybrid sensor

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成果类型：

期刊论文

作者：

Ren, Mingyi;Zhong, Zhilin;Ding, Shiming;Wang, Jingfu;Dai, Zhihui;...

通讯作者：

Shiming Ding

作者机构：

[Zhong, Zhilin; Li, Cai; Ren, Mingyi; Ding, Shiming; Cao, Jingxin; Wang, Yan] Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, Nanjing 210008, Peoples R China.

[Zhong, Zhilin; Li, Cai; Ren, Mingyi; Cao, Jingxin] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

[Ding, Shiming; Wang, Yan] Nanjing EasySensor Environm Technol Co Ltd, Nanjing 210018, Peoples R China.

[Wang, Jingfu] Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550081, Peoples R China.

[Dai, Zhihui] Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, Guiyang 550081, Peoples R China.

通讯机构：

[Shiming Ding] S

State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China<&wdkj&>Nanjing EasySensor Environmental Technology Co., Ltd, Nanjing 210018, China

语种：

英文

关键词：

Antimony;Arsenic;Chromium;Diffusive gradients in thin films;Planar optode sensor

期刊：

Science of The Total Environment

ISSN：

0048-9697

年：

2022

卷：

835

页码：

155460

DOI：

10.1016/j.scitotenv.2022.155460

基金类别：

National Natural Science Foundation of China [U2102210, 41877492]; National Key Research and Development Plan [2018YFA0903003]; Youth Innovation Promotion Association CAS [2019389]

机构署名：

本校为其他机构

院系归属：

水利工程学院

摘要：

A new diffusive gradients in thin films technique (HR-MPTS DGT) with mercapto-functionalized attapulgite in a binding gel was developed for simultaneous two-dimensional (2-D) chemical imaging of As(III), Cr(III) and Sb(III) selectively at the submillimeter scale, combined with laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) analysis. The HR-MPTS DGT exhibited selective accumulation of As(III), Sb(III) and Cr(III) (> 97%), yet negligible accumulation of As(V), Sb(V) and Cr(VI) (< 2%). Accumulation of As(III), Cr(III) and Sb(III) on the binding gel had a linear relationsh...

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Selective and simultaneous high resolution 2-D imaging of AsIII, CrIII and SbIII and dissolved oxygen by developing a new DGT technique comprising a hybrid sensor

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