Silver nanoparticles as colorimetric probe for selective determination of Hg2+ from milk samples with ultrasound-assisted extraction protocol

被引：1
|
作者：
Nikam, Pranali [1 ]
Seth, Raman [1 ]
Sharma, Rajan [1 ]
机构：
[1] Natl Dairy Res Inst, Dairy Chem Div, ICAR, Karnal 132001, Haryana, India
来源：
INTERNATIONAL JOURNAL OF DAIRY TECHNOLOGY | 2024年 / 77卷 / 02期
关键词：
Colorimetric analysis; Silver nanoparticles; Milk; Ultrasound-assisted extraction; Absorption ratio; Hg2+; MERCURY; SENSITIVITY; SPECIATION; REDUCTION; SENSORS; WATER; IONS;
D O I：
10.1111/1471-0307.13071
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
The present investigation demonstrates a simple, sensitive and selective colorimetric probe for the detection of Hg2+ in milk samples employing redox interaction of Hg2+ ions with citrate-stabilised silver nanoparticles, inducing colour change from yellow to colourless. Milk samples were pretreated by ultrasound assistance in acidic media. The detection limit (LOD) was 6.17 ppb using UV-Visible spectrophotometer with linear correlation (R-2 = 0.9901) at 10-2000 ppb solution of Hg2+ ions. Developed probe was highly selective to Hg2+ over different interfering metal ions and can be effectively employed to identify Hg2+ in milk samples.
引用
收藏
页码：338 / 347
页数：10
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