Table 1.

The strongest emission lines in nm of argon, oxygen glow discharge plasma sources and mercury light source (Bacławski and Musielok 2008 ; Reader et al. 1996 )

Oxygen lines (nm) O I	Mercury lines (nm) Hg I	Argon lines (nm) Ar I
777.337	253.652	696.543
645.499	296.728	706.722
725.436	302.150	714.704
615.727	313.155	727.294
715.670	334.148	738.398
926.387	365.015	750.387
948.289	404.656	763.511
949.794	407.783	772.376
950.560	435.833	794.818
949.271	546.074	826.452
948.743	576.960	842.465
	579.066	852.144
		866.794
		912.297
		922.450