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In a relatively short period of time inductively coupled plasma-mass spectrometry has triggered considerable interest in the analytical atomic emission spectroscopy community. This technique involves the coupling of a high temperature atmospheric pressure argon plasma, normally used for atomic emission spectroscopy, directly to a quadrupole mass spectrometer. With this system, elemental analysis at trace and ultra-trace level (including information about isotopic composition) can be routinely obtained for most elements in a matter of a few minutes. In this presentation the basic nature of the inductively coupled plasma will be discussed with emphasis on its use as an ion source for …