Table 1 ICP-OES operational parameters.

From: Toxic and heavy metals contamination assessment in soil and water to evaluate human health risk

ICP-OES

Thermo Fisher Scientific, iCAP 7400 with the radial viewed plasma equipped with echelle type 52.91 grooves/mm ruled grating

RF power

1250 W

Radial viewing height

8 mm

Plasma coolant gas flow rate

15.0 L min−1

Auxiliary gas flow rate

1.0 L min−1

Nebulizer gas flow

0.65 L min−1

Nebulizer type

V-groove, pressure 240 kPa

Sample uptake rate

1.5 mL min−1

Pump rate

35 rpm during flushing, 20 rpm during the analysis

Spectral lines (nm)

Cr: 267.716, Mn: 257.610 Cu: 327.393 As: 188.980, Cd: 214.439, Ba: 455.403 Hg: 194.164 Pb: 220.353