TABLE 1.

ICP-QMS parameters used for FIA measurements

Power	1550 W
Cool gas flow	14 liters/min
Auxiliary gas flow	0.8 L/min
Nebulizer gas flow	≈1 liter/min
Nebulizer type	μFlow PFA-ST (ESI, Omaha, NE)
Injector inner diameter	1.8 mm
Spray chamber type	Cyclone @ 2.7 °C
Mode	CCTED
Cell gas	7% H2 in He (purity > 99.999%)
Cell gas flow	≈5 ml/min
Δbias	3 V
Dwell time	50 ms @ 1 channel