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Flow seeding with elemental metal species via an optical method

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Abstract

A new optical method to seed a flow with elemental metal species is described and demonstrated using laser ablation. The unique ablation seeding approach is shown to generate free gas-phase metals in their atomic form, without the need for a spray or solvent. The technique can be used in both reactive and non-reactive environments, which solves a problem that has hitherto plagued the seeding of many flows. The ablative seeding approach has the potential to become a standard tool for chemical seeding, with a diverse range of application from flow tracing to atomic absorption spectroscopy (AAS).

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Acknowledgements

The authors wish to acknowledge the support of the Centre for Energy Technology (CET) and The University of Adelaide. The Australian Research Council (ARC) is also gratefully acknowledged for their funding support of this work through ARC Discovery and Linkage Infrastructure, Equipment and Facilities (LIEF) grant schemes.

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Authors and Affiliations

  1. School of Mechanical Engineering, The University of Adelaide, Adelaide, Australia

    P. R. Medwell, Q. N. Chan, B. B. Dally, S. Mahmoud & G. J. Nathan

  2. School of Chemical Engineering, The University of Adelaide, Adelaide, Australia

    Z. T. Alwahabi

  3. School of Chemistry and Physics, The University of Adelaide, Adelaide, Australia

    G. F. Metha

  4. Centre for Energy Technology, The University of Adelaide, Adelaide, Australia

    P. R. Medwell, Q. N. Chan, B. B. Dally, Z. T. Alwahabi, S. Mahmoud, G. F. Metha & G. J. Nathan

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  1. P. R. Medwell
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  2. Q. N. Chan
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  3. B. B. Dally
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  4. Z. T. Alwahabi
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  5. S. Mahmoud
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  6. G. F. Metha
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  7. G. J. Nathan
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Correspondence to P. R. Medwell.

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Medwell, P.R., Chan, Q.N., Dally, B.B. et al. Flow seeding with elemental metal species via an optical method. Appl. Phys. B 107, 665–668 (2012). https://doi.org/10.1007/s00340-012-5065-y

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  • DOI: https://doi.org/10.1007/s00340-012-5065-y

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