Table 2
Parameters used in the analysis by ICP OES.
Instrumental parameters ICP OES (radial view)
Power radio frequency (kW) 1.3
Flow nebuliser (L min1) 0.6
Plasma gas flow rate (L min1) 15
Auxiliary gas flow (L min1) 1.50
Nebuliser V-Groove
Nebulisation chamber Sturman Master
Point of observation (mm) 15
Wavelength (nm) Cu (I) (k = 324.752)
Fe (II) (k = 259.939)
Zn (II) (k = 206.200)
Detection limit (mg L1) Cu: 0.05
Fe: 0.03
Zn: 0.02