OrangerV1, Main, Exploration, bibRecord, 001146

[Experimental study on chromium in gannan navel orange by laser-induced breakdown spectroscopy].

Identifieur interne : 001146 ( Main/Exploration ); précédent : 001145; suivant : 001147

[Experimental study on chromium in gannan navel orange by laser-induced breakdown spectroscopy].

Auteurs : Yuan Xu [République populaire de Chine] ; Mu-Hua Liu ; Ming-Yin Yao ; Qiu-Mei Peng ; Tian-Bing Chen ; Xu Zhang ; Yong-Zeng Lin

Source :

Guang pu xue yu guang pu fen xi = Guang pu [ 1000-0593 ] ; 2012.

RBID : pubmed:23240437

English descriptors

KwdEn :
- Calibration, Chromium (analysis), Citrus sinensis (chemistry), Fruit (chemistry), Lasers, Limit of Detection, Metals, Heavy, Spectrophotometry, Atomic, Spectrum Analysis, Trace Elements.
MESH :
- chemical , analysis : Chromium.
- chemistry : Citrus sinensis, Fruit.
- Calibration, Lasers, Limit of Detection, Metals, Heavy, Spectrophotometry, Atomic, Spectrum Analysis, Trace Elements.

Abstract

It is a relatively new task to apply the laser induced breakdown spectroscopy (LIBS) to fruit samples. To apply LIBS technique in the field related to analysis of trace heavy metal element in fruits samples, we have done primary experiments using Gannan navel orange samples. The authors put the samples into different concentration gradient K2Cr2O7 solution and left it for 30 hours, and then we did the LIBS experiment, discriminated characteristic spectra of chromium element and recorded the peak intensity information. Weighing three grams of sample and determined chromium concentration in the samples by atomic absorption spectrophotometer using wet digestion. The calibration curve of the line intensities versus the concentrations of the Cr element was acquired by the Origin software. The authors found that the linear correlation coefficient is 0. 981 66. The calibration curve can be used for the quantitative analysis of chromium element with an unknown concentration in Gannan navel orange. The LIBS detection limit of Cr in the solution was 11.64 mg x g(-1) from the measured calibration curve. Experiment results showed that LIBS technique is a valid means for measuring and quantitatively analyzing the content of heavy metal elements in fruit samples.

PubMed: 23240437

Affiliations:

Le document en format XML

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<author><name sortKey="Xu, Yuan" sort="Xu, Yuan" uniqKey="Xu Y" first="Yuan" last="Xu">Yuan Xu</name>
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<author><name sortKey="Yao, Ming Yin" sort="Yao, Ming Yin" uniqKey="Yao M" first="Ming-Yin" last="Yao">Ming-Yin Yao</name>
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<author><name sortKey="Peng, Qiu Mei" sort="Peng, Qiu Mei" uniqKey="Peng Q" first="Qiu-Mei" last="Peng">Qiu-Mei Peng</name>
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<author><name sortKey="Chen, Tian Bing" sort="Chen, Tian Bing" uniqKey="Chen T" first="Tian-Bing" last="Chen">Tian-Bing Chen</name>
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<author><name sortKey="Zhang, Xu" sort="Zhang, Xu" uniqKey="Zhang X" first="Xu" last="Zhang">Xu Zhang</name>
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<author><name sortKey="Lin, Yong Zeng" sort="Lin, Yong Zeng" uniqKey="Lin Y" first="Yong-Zeng" last="Lin">Yong-Zeng Lin</name>
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<author><name sortKey="Peng, Qiu Mei" sort="Peng, Qiu Mei" uniqKey="Peng Q" first="Qiu-Mei" last="Peng">Qiu-Mei Peng</name>
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<author><name sortKey="Chen, Tian Bing" sort="Chen, Tian Bing" uniqKey="Chen T" first="Tian-Bing" last="Chen">Tian-Bing Chen</name>
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<author><name sortKey="Zhang, Xu" sort="Zhang, Xu" uniqKey="Zhang X" first="Xu" last="Zhang">Xu Zhang</name>
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<author><name sortKey="Lin, Yong Zeng" sort="Lin, Yong Zeng" uniqKey="Lin Y" first="Yong-Zeng" last="Lin">Yong-Zeng Lin</name>
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<term>Lasers</term>
<term>Limit of Detection</term>
<term>Metals, Heavy</term>
<term>Spectrophotometry, Atomic</term>
<term>Spectrum Analysis</term>
<term>Trace Elements</term>
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<front><div type="abstract" xml:lang="en">It is a relatively new task to apply the laser induced breakdown spectroscopy (LIBS) to fruit samples. To apply LIBS technique in the field related to analysis of trace heavy metal element in fruits samples, we have done primary experiments using Gannan navel orange samples. The authors put the samples into different concentration gradient K2Cr2O7 solution and left it for 30 hours, and then we did the LIBS experiment, discriminated characteristic spectra of chromium element and recorded the peak intensity information. Weighing three grams of sample and determined chromium concentration in the samples by atomic absorption spectrophotometer using wet digestion. The calibration curve of the line intensities versus the concentrations of the Cr element was acquired by the Origin software. The authors found that the linear correlation coefficient is 0. 981 66. The calibration curve can be used for the quantitative analysis of chromium element with an unknown concentration in Gannan navel orange. The LIBS detection limit of Cr in the solution was 11.64 mg x g(-1) from the measured calibration curve. Experiment results showed that LIBS technique is a valid means for measuring and quantitatively analyzing the content of heavy metal elements in fruit samples.</div>
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<name sortKey="Liu, Mu Hua" sort="Liu, Mu Hua" uniqKey="Liu M" first="Mu-Hua" last="Liu">Mu-Hua Liu</name>
<name sortKey="Peng, Qiu Mei" sort="Peng, Qiu Mei" uniqKey="Peng Q" first="Qiu-Mei" last="Peng">Qiu-Mei Peng</name>
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<country name="République populaire de Chine"><region name="Jiangxi"><name sortKey="Xu, Yuan" sort="Xu, Yuan" uniqKey="Xu Y" first="Yuan" last="Xu">Yuan Xu</name>
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[Experimental study on chromium in gannan navel orange by laser-induced breakdown spectroscopy].

[Experimental study on chromium in gannan navel orange by laser-induced breakdown spectroscopy].

Source :

English descriptors

Abstract

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