Research Article

Solid Phase Extraction of Inorganic Mercury Using 5-Phenylazo-8-hydroxyquinoline and Determination by Cold Vapor Atomic Fluorescence Spectroscopy in Natural Water Samples

Table 1

Operating conditions ICP-MS.

Forward power (W)1050
Nebuliser gas flow (L/min)0,7
Auxiliary gas flow (L/min)0,95
Cool gas flow (L/min)13,5
Quartz plasma torch I.D. (mm)1,5
Cone typePt
Glass impact bead
Spray chamber temperature (°C)
3
Nebulizer typeGlass concentric
Sample uptake rate (mL/min)1
Uptake delay (s)35
Washout delay (s)75
Analytes 51V, 52Cr, 55Mn, 59Co, 60Ni, 65Cu, 66Zn, 111Cd, 208Pb, 56Fe, 75As