Inductively coupled plasma spectrometers and radio - frequency power supply therefor

摘要: The invention provides methods and apparatus for atomic emission spectroscopy mass spectrometry which make use of an inductively coupled radio-frequency plasma torch. A power supply supplies energy to a induction coil via reflectometer means matching network. signal indicative reflected generated by the is used set frequency resonant network coil, thereby ensuring maximum efficiency transfer irrespective state plasma. Preferably solid amplifier employed in conjunction with lower variable oscillator. Means proper ignition while maintaining generator within governmentally specified band are also provided.