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A New Reduced-Pressure ICP Torch

Volume 39, Number 1 (Feb. 1985) Page 181-183

Seliskar, C.J.; Warner, D.K.


Recent improvements in rf plasma torches, most of which are operated at 27.12 MHz, have included lower plasma gas consumption, lower power consumption, smaller torch size, and enhanced cooling efficiency. The present communication describes a new rf plasma torch which operates at reduced pressures and which can be used with commercially available ICP-ES instrumentation with little or no modification. This reduced-pressure torch offers advantages to the analytical spectroscopist using ICP-ES that were not available previously.