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Issue 5, 2007
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Volume-optional and low-memory (VOLM) chamber for laser ablation-ICP-MS: application to fiber analyses

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Abstract

We report a new volume-optional and low-memory (VOLM) chamber for laser ablation-ICP-MS, which includes an active inner cell and an external cell. The external cell has a gas inlet and is a closed design cell, which can be large enough to accommodate as many targets as required. The inner cell is a transparent cylinder in which the gas outlet is fixed and connected to the outer transfer tube. The VOLM chamber has three outstanding advantages: (1) improved sensitivity (3.5–13.0- and 1.1–2.0-fold greater than for single-pulse and continuous ablation in a standard cell, respectively); (2) good stability (reproducible sampling positions); and (3) low cell-related memory effects (washout time 1–4 s). These advantages mean that the VOLM chamber is suitable for investigating the compositions of small samples in terms of profile and depth analyses.

Graphical abstract: Volume-optional and low-memory (VOLM) chamber for laser ablation-ICP-MS: application to fiber analyses

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Publication details

The article was received on 05 Feb 2007, accepted on 19 Mar 2007 and first published on 05 Apr 2007


Article type: Technical Note
DOI: 10.1039/B701718A
J. Anal. At. Spectrom., 2007,22, 582-585

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    Volume-optional and low-memory (VOLM) chamber for laser ablation-ICP-MS: application to fiber analyses

    Y. Liu, Z. Hu, H. Yuan, S. Hu and H. Cheng, J. Anal. At. Spectrom., 2007, 22, 582
    DOI: 10.1039/B701718A

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