The Application for the Determination of 59 Elements in the Water Extraction using High Resolution Inductively Coupled Plasma-Mass Spectrometry

XU Jin-li; JIANG Yue-xiu; BAI Jin-feng; ZHANG Qin

2014 Vol. 33, No. 3

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Article navigation > Rock and Mineral Analysis > 2014 > 33(3): 402-410

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XU Jin-li, JIANG Yue-xiu, BAI Jin-feng, ZHANG Qin. The Application for the Determination of 59 Elements in the Water Extraction using High Resolution Inductively Coupled Plasma-Mass Spectrometry[J]. Rock and Mineral Analysis, 2014, 33(3): 402-410.

Citation:

The Application for the Determination of 59 Elements in the Water Extraction using High Resolution Inductively Coupled Plasma-Mass Spectrometry

1.
School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
2.
Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China

More Information

Corresponding author: JIANG Yue-xiu, gxu2110@163.com

Received Date: 19 January 2014

Accepted Date: 12 February 2014

Publish Date: 25 March 2014

Abstract

Abstract

The measurement for the metal active state is one of the current methods in deep-penetrating geochemistry for searching buried ores. There are much applied research concerning metal active state, but less on the extraction of active states and phase analysis (such as the water extraction phase). Traditional atomic absorption spectrometry can only be used to determine one element at a time, while only 5 elements (Cr, Cu, Zn, Cd and Pb) in the water extraction phase can be simultaneously measured by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). However, either method can meet the demands of metal active state measurements for current geochemical exploration. A method for the determination of 59 elements in the water extraction phase has been established by using High Resolution Inductively Coupled Plasma-Mass Spectrometry (HR-ICP-MS). Moreover, the optimum extraction conditions to determine these elements in the water extraction phase by experiment are: extraction time is 24 h at extraction temperature of 35℃ with liquid-solid ratio of 15:1. Solid-liquid phases were separated by centrifugation. The precision (RSD, n=12) is 3.11%-38.1%, of which more than 20% RSD data accounted for only 28.4% of all test results, indicating that the method is accurate and reliable, and the detection limit of this method can meet the analytical requirements of elemental active state. The method of determination of the water extraction phase elements by using HR-ICP-MS not only increases the number of target elements, but also reduces the detection limit and improves the precision, which can provide more comprehensive data for exploration geochemistry.
- elements active state /
- water extraction phase /
- High Resolution Inductively Coupled Plasma-Mass Spectrometry

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