Table 1. ICP-MS and mercury analyzer operating conditions for the analysis of heavy metals

Instrument	Parameter	Condition
ICP-MS	Plasma flow	16.5 L/min
	Plasma forward power	1.35 kW
	Auxiliary flow	0.6 L/min
	Nebulizer flow	0.78 L/min
	Replicate intergration	3
	Mass range	4–260 amu
	Dwell time	100 µs
Mercury analyzer	Gas flow rate (O2)	350 mL/min
	Drying	300°C, 20 s
	Catalyst	600°C, 60 s
	Decomposition	800°C, 150 s
	Amalgamator	600°C, 30 s

ICP-MS, inductively coupled plasma-mass spectrometer.