Torches and methods of using them
AssigneePerkinElmer Health Sciences, Inc.
InventorPeter Morrisroe
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Abstract
Certain embodiments described herein are directed to a torch that includes a lanthanide or actinide material. In some embodiments, the torch can include one or more other materials in combination with the lanthanide or actinide material. In some embodiments, the torch can comprise cerium, terbium or thorium. In other embodiments, the torch can comprise a lanthanide or actinide material comprising a melting point higher than the melting point of quartz.
Claims12
1-70. (canceled)
A method of reducing degradation of a torch configured to sustain an atomization source, the method comprising providing a torch comprising a hollow cylindrical outer tube comprising an entrance end and an exit end, in which the exit end comprises an effective amount of a lanthanide or actinide material.
A method of reducing degradation of a torch configured to sustain an atomization source, the method comprising providing a torch comprising a hollow cylindrical outer tube comprising an entrance end and an exit end and a hollow cylindrical inner tube within the hollow cylindrical outer tube, in which the hollow cylindrical inner tube comprises an entrance end and an exit end, and in which the exit end of the outer tube comprises an effective amount of a lanthanide or actinide material to prevent degradation of the exit end of the outer tube.
81-159. (canceled)
Dependencies are inferred from the claim text.