Table 1.

Operating conditions for Varian 820MS ICP-MS in nebulization and vapor generation modes.

ICP-MS	Nebulization	Vapor generation
RF Power (kW)	1.4	1.4
Plasma argon flow (L min−1)	17	17
Auxiliary argon flow (L min−1)	1.8	1.8
Nebulizer argon flow (L min−1)	1.1	1.5
Sheath argon flow (L min−1)	0.15	0.2
Sampling depth (mm)	6.5	6.5
Sample flow rate (mL min−1)	0.5	0.7
Stabilization time (s)	15	50
Spray chamber temperature (°C)	4	4
Scan mode	Peak hopping	Peak hopping
Dwell time (ms)	20	50
Points/peak	1	1
Scans/peak	4	10
Scans/replicate	4	10