Determination of Platinum Group Elements in Fall Dust by Isotope Dilution Inductively Coupled Plasma Mass Spectrometry

被引：1

作者：

Zhu Yan ^{[1
,2
]}

Li Xiao-Lin ^{[1
]}

Li Yu-Lan ^{[1
]}

Gao Song ^{[3
]}

Xu Qi ^{[4
]}

Wang Zheng ^{[2
]}

Tan Ming-Guang ^{[1
]}

Li Yan ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 20050, Peoples R China

[3] Shanghai Environm Monitoring Ctr, Shanghai 200030, Peoples R China

[4] Putuo Environm Monitoring Stn Shanghai, Shanghai 200062, Peoples R China

来源：

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY | 2011年 / 39卷 / 05期

关键词：

Isotope dilution; Inductively coupled plasma mass spectrometry; Platinum group elements; Dustfall; AIRBORNE PARTICULATE MATTER; ICP-MS; GEOLOGICAL SAMPLES; EXCHANGE SEPARATION; SOLVENT-EXTRACTION; PALLADIUM; RHODIUM; CATALYSTS; RHENIUM; RESIN;

D O I：

10.3724/SP.J.1096.2011.00695

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The method of isotope dilution-inductively coupled plasma mass spectrometry (ID-ICP-MS). was developed for the determination of Pt and Pd in road dustfall. (195)Pt and (108)Pd were used as aim isotopes, (196)Pt and (105)Pd as spikes. Dowex AG50W-8 cation exchange resin and solvent extraction with BPHA (N-Benzoyl-N-phenyl hydroxyl amine) were applied to separate the interference elements in matrix of dustfall. The mass discrimination of detected isotopes and optimal dilution ratios of spikes were determined. The analytical results of Pt and Pd in the certified reference materials BCR-723 and GBW07291 showed that the determination values of Pt and Pd were comparable with those standard values, which inducted that the ID-ICP-MS method was reliable. The ID-ICP-MS method was used for detection of Pt and Pd in dustfall in Shanghai City. It was found that the concentration of Pd was higher than Pt, and that the Pt concentration had positive linear correlation with Pd in the dustfall.

引用

页码：695 / 699

页数：5

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