Matrix Effects and Behaviors of Elements in Oxalic Acid Medium by Inductively Coupled Plasma Mass Spectrometry

Hua Lin XIE Yu Jie LI Xi Du NIE Li Bo LI

引用本文: Hua Lin XIE,  Yu Jie LI,  Xi Du NIE,  Li Bo LI. Matrix Effects and Behaviors of Elements in Oxalic Acid Medium by Inductively Coupled Plasma Mass Spectrometry[J]. Chinese Chemical Letters, 2006, 17(7): 945-948. shu
Citation:  Hua Lin XIE,  Yu Jie LI,  Xi Du NIE,  Li Bo LI. Matrix Effects and Behaviors of Elements in Oxalic Acid Medium by Inductively Coupled Plasma Mass Spectrometry[J]. Chinese Chemical Letters, 2006, 17(7): 945-948. shu

Matrix Effects and Behaviors of Elements in Oxalic Acid Medium by Inductively Coupled Plasma Mass Spectrometry

  • 基金项目:

    This work was supported by Hunan Natural Science Foundation of China (No. 05JJ40017) and Hunan Education Department of China (Project No. 05B064).

摘要: The influence of different concentration of oxalic acid matrix on elemental inductively coupled plasma mass spectrometry (ICP-MS) has been investigated. It has been proved that the sensitivity of analytes can be significantly enhanced by adding small amounts of oxalic acid medium with adjusted nebulizer flow-rate gas, especially for the elements with ionization potential between 9 and 11 eV. Oxalic acid, as an enhancement agent, can be used to compensate the signal depression caused by inorganic matrix and to improve the detection limits about two to eight times,for the hard-to-ionize elements in ICP-MS determination.

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  • 收稿日期:  2006-01-04
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