Table 2.

Description of operational conditions for ICP-MS of fractionated materials.

OPERATIONAL CONDITIONS
RF power (W)	1550
Plasma gas flow rate (L/min)	15
Hydrogen flow rate (mL/min)	2.5
Helium flow rate (mL/min)	2.5
Carrier flow rate (L/min)	0.9
Make-up gas (L/min)	0.1
Auxiliary gas (L/min)	0.9
Sample flow rate (mL/min)	0.4
Acquisition time per isotope (sec)	0.1
Repetition	3
Total acquisition time for 19 isotopes (sec)	2.85
Total running time (sec)	1880
Tuning solution:
% RSD	< 3%
Sample nebulizer tubing:
Material	Tygon
Internal diameter (mm)	1.02
AF4 carrier tubing:
Material	PEEK
Internal diameter (mm)	0.25