Apparatus and methods of use in the mass analysis of chemical samples
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United States of America Patent
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Mar 13, 1990
Grant Date -
N/A
app pub date -
Aug 21, 1985
filing date -
Aug 21, 1985
priority date (Note) -
Expired
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Abstract
A probe for supporting a sample in an ion source of a mass spectrometer comprises a target formed by a copper probe tip for a liquid sample in which the sample passes through a fine bore 18a of the tip on to the end surface of the tip where it is held as a droplet by surface tension. In order to replenish the droplet surface, capillary tubing leads from a syringe to the inlet end of the bore in the probe tip.
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