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Matrix Effect of Soil Samples in Laser Ablation-Atmospheric Pressure Glow Discharge Atomic Emission Spectrometry
Ge, F; Gao, L; Peng, XX; Yu, J; Zhu, YF; Wang, Z
2020-08-01
Source PublicationCHINESE JOURNAL OF ANALYTICAL CHEMISTRY
ISSN0253-3820
Issue8Pages:1111
SubtypeArticle
AbstractLaser ablation-atmospheric pressure glow discharge atomic emission spectrometry (LA-APGD-AES) was utilized to investigate the effect of matrix effects on the detection results of Cd and Pb in soil samples. Actual soil samples from different regions with large differences in major substances were selected. Under the laser energy of 60 mJ and laser pulse number of 20, the stable signal intensity and high sensitivity were obtained when the discharge distance was 14 mm, the gas flow rate was 130 mL/min, and the discharge current was 27 mA. This method was combined with the univariate calibration model to quantitatively detect Cd and Pb in four different matrix soils. The linear correlation coefficients (R-2) of Cd and Pb were >= 0. 99 and >0. 97, respectively. The relative errors of Cd and Pb measurement were 0. 4% -11. 8%. When the detection results were combined in the same calibration curve for analysis , the R-2 of Cd and Pb had slight change , and the relative errors of measurement were 3. 0% - 13. 2%. Moreover, the limits of detection ( LODs ) for Cd and Pb in different matrix soils had not change significantly. The detection results of all the verification values were agreement with values of inductively coupled plasma-optical emission spectroscopy (ICP-AES) . Overall, the detection results of Cd and Pb in complex matrix soils were less affected by matrix effects.
DOI10.19756/j.issn.0253-3820.201040
WOS KeywordINDUCED BREAKDOWN SPECTROSCOPY ; SECONDARY EXCITATION SOURCE ; HYDRIDE GENERATION ; QUANTITATIVE-ANALYSIS ; CR ; SPECIATION ; ANTIMONY ; ELEMENTS
Language中文
WOS Research AreaChemistry
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27859
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Ge, F,Gao, L,Peng, XX,et al. Matrix Effect of Soil Samples in Laser Ablation-Atmospheric Pressure Glow Discharge Atomic Emission Spectrometry[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2020(8):1111.
APA Ge, F,Gao, L,Peng, XX,Yu, J,Zhu, YF,&Wang, Z.(2020).Matrix Effect of Soil Samples in Laser Ablation-Atmospheric Pressure Glow Discharge Atomic Emission Spectrometry.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY(8),1111.
MLA Ge, F,et al."Matrix Effect of Soil Samples in Laser Ablation-Atmospheric Pressure Glow Discharge Atomic Emission Spectrometry".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY .8(2020):1111.
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