Instrumental conditions
RF Frequency 40 MHz (free running, air-cooled)
RF Power 1.2 kW
Gas (plasma, auxiliary, nebulizer) Argon
Plasma flow 15.0 l/min
Auxiliary flow 1.5 l/min
Nebulizer flow 1.10 l/min
Replicates 5
Replicate read time 5 s
Analytical wavelengths (nm)
Al - 396.152 nm K  - 766.491 nm Rb - 780.026 nm
As - 188.980 nm Li - 670.783 nm S  - 181.972 nm
B  - 249.772 nm Mg - 279.553 nm Sb - 206.834 nm
Ba - 455.403 nm Mn - 257.610 nm Si - 251.611 nm
Ca - 396.847 nm Na - 589.592 nm Sr - 407.771 nm
Cr - 267.716 nm Ni - 231.604 nm Ti - 334.941 nm
Cu - 327.395 nm P  - 213.618 nm V  - 311.837 nm
Fe - 238.204 nm Pb - 220.353 nm Zn - 206.200 nm
Table 2: Operating parameters for ICP-AES quantitative analysis.