<i>In-situ</i> Non-destructive Determination of Major and Trace Elements in Large Size Ceramic Samples by Open Laser Ablation Inductively Coupled Plasma-Mass Spectrometry

ZHOU Fan; LI Ming; CHAI Xin-na; HU Zhao-chu; LUO Tao; HU Sheng-hong

doi:10.15898/j.cnki.11-2131/td.202005240075

ZHOU Fan, LI Ming, CHAI Xin-na, HU Zhao-chu, LUO Tao, HU Sheng-hong. In-situ Non-destructive Determination of Major and Trace Elements in Large Size Ceramic Samples by Open Laser Ablation Inductively Coupled Plasma-Mass Spectrometry[J]. Rock and Mineral Analysis, 2021, 40(1): 33-41. DOI: 10.15898/j.cnki.11-2131/td.202005240075

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In-situ Non-destructive Determination of Major and Trace Elements in Large Size Ceramic Samples by Open Laser Ablation Inductively Coupled Plasma-Mass Spectrometry

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BACKGROUNDUsually, laser ablation inductively coupled plasma-mass spectrometry (LA-ICP-MS) analysis is equipped with a closed ablation cell. It cannot be used for non-destructive analysis of the large-size samples which exceeds the size of the cell.OBJECTIVESTo realize directly in situ non-destructive analysis of major and trace elements in the large-size samples.METHODSBased on the self-designed open sample collection port, combined with the gas exchange device, an open LA-ICP-MS analysis method was established. Taking the large-size ceramic disc sample as an example, samples can be directly determined for major and trace elements in an air environment without being broken.RESULTSAnalyte aerosols produced by laser ablation were collected and sucked by open sample collector. The air in the aerosols was replaced via transfer tube by high purity argon in a gas exchange device, the analyte aerosols were then transferred into ICP-MS for detection. After non-destructive analyses by this method, large-size ceramic samples were broken and analyzed by traditional LA-ICP-MS. Relative deviations of most of 51 elements detected by the two methods were less than 10%. Only part of elements (such as P, Be, Sc, Y, La, Sm, Eu, Dy, Hf, W, etc.) had relative deviations higher than 20%, because of the extremely low contents.CONCLUSIONSThe open LA-ICP-MS method is suitable for in situ non-destructive determination of major and trace elements in the large-size samples.

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In-situ Non-destructive Determination of Major and Trace Elements in Large Size Ceramic Samples by Open Laser Ablation Inductively Coupled Plasma-Mass Spectrometry

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