This work concerns analyses performed by emission spectrometry employing ICP source for sample excitation. A domestic plasma generator was used and the porch was positioned horizontally to reduce background caused by intense plasma radiation and to increase the residence time of excited atoms in the source path, so that the limits of determination of 16 rare earth elements including scandium were nearly tenfold lower than that of conventional vertically positioned to3cch. The detection limits of different elements were in the range of O.OOx- O.Ox ug/ml. and would be in the range of O.OOOOx-O.OOx ug/ml. if desolvatiou system was used. The RSd are usually around 4%.