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Table 2 LA-ICP-MS instrument settings

From: Quantitative mapping of trace elements in agate using LA-ICP-MS

RF power (W) 1200
Ar nebulizer flow (L/min) 0.73
Ar auxiliary gas (L/min) 0.85
Ar cooling gas (L/min) 13.5
Laser wavelength (nm) 213
He carrier gas (L/min) 0.70
ThO+/Th+ (%) <1
Repetition rate (Hz) 10
Energy density (J/cm2) 11
Dwell time (ms) 10
Scan speed (μm) 10
Beam size (μm) 55