Table 2
Operating conditions of MP OES for Hg determinations.
Instrument Parameters
Wavelength (nm) 253.652
Nebulizer Inert OneNeb
Spray chamber Multi-mode sample introduction system
Speed of peristaltic pump (rpm) 15
Nebulizer pressure (kPa) 80
Viewing position (mm) 0
Read time (s) 5
Number of replicates 3
Stabilization time (s) 15
Uptake sample time (s) 25
Analytical curve (μg L−1) 1.0–30.0
Nitrogen (L min−1) 22.5
Sample flow rate (mL min−1) 9.0
Acid flow rate (mL min−1) 2.5
Reducing agent flow rate (mL min−1) 2.5