Development and Evaluation of Paper-Based Devices for Iron(III) Determination in an Advanced Undergraduate Laboratory

被引：28

作者：

Armenta, Sergio ^{[1
]}

Albert Esteve-Turrillas, Francesc ^{[1
]}

Manuel Herrero-Martinez, Jose ^{[1
]}

机构：

[1] Univ Valencia, Dept Analyt Chem, Burjassot 46100, Spain

来源：

JOURNAL OF CHEMICAL EDUCATION | 2020年 / 97卷 / 10期

关键词：

Upper-Division Undergraduate; Analytical Chemistry; Laboratory Instruction; Hands-On Learning/Manipulatives; Microscale Lab; Quantitative Analysis; UV-Vis Spectroscopy; MICROFLUIDIC DEVICES; LOW-COST; FABRICATION;

D O I：

10.1021/acs.jchemed.0c00369

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We describe a paper-based microfluidic device for iron(III) assay in an applied instrumental analysis laboratory. Simple and convenient devices were fabricated by the students using patterning of filter paper to investigate three different procedures: drawing a boundary with eyeliner or wax pen; drawing a boundary with waterproof permanent marker pen; or drawing no boundary. These test papers were used for the analysis of iron(III) in water samples by smartphone-based colorimetric detection with thiocyanate. Additionally, the interference effect of other metal cations was done to further demonstrate practical utility. The results for field sample detection using this microdevice were satisfactory and show promise for use in other applications.

引用

页码：3852 / 3857

页数：6

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