Table 2.

Experimental conditions used on ICP-MS equipment to determine Ru and Os in samples.

Parameter	Experimental conditions
radio frequency power (RF) nebulizer argon flow rate auxiliary argon flow rate Coolant argon flow rate CCT1-Helium dwell time extraction Sample uptake rate spray chamber nebulizer number of readings per replicate software Isotopes	1550 W 0.95 L min−1 0.80 L min−1 14.0 L min−1 6.0 mL min−1 10 ms −5000 V 0.40 mL min−1 cyclonic Meinhard ESI MicroFlow PFA-ST 3 Qtegra 101Ru, 189Os