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Laser ablation sampling in combination with inductively coupled plasma (ICP) analysis has been shown to provide multi-element analysis of molten metal. This work complements the successful application of the technique to solid sample analysis demonstrated in previous work. It has been shown that by rotating solid calibration standards during pulsed laser irradiation, a more stable response was observed for each element compared with static samples. Laser ablation has been shown as an ideal means of providing a representative aerosol sample of solid material for ICP emission analysis. Aerosols have been shown to be transported large distances for remote detection so that the physical size of the detection system need not compromise sensitivity or selectivity. Laser stimulated emission analysis has demonstrated its potential for in situ production control applications, providing rapid, multi-element characterization of molten metal as compositional changes are made.

Additional information

Authors: JOWITT R, British Steel plc, London (GB);WHITESIDE I, British Steel plc, London (GB)
Bibliographic Reference: EUR 13932 EN (1997) 84pp., FS, ECU 15.00
Availability: Available from the (2)
ISBN: ISBN 92-828-0171-3
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