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Table 1 Operating parameters for LA-ICP-QMS in this work

From: Analytical effect of stabilizer volume and shape on zircon U–Pb dating by nanosecond LA-ICP-QMS

ICP-MS

Agilent 7700x

Laser ablation

Analyte excite

RF power, W

1450

Laser type

ArF excimer

Plasma gas, L/min Ar

15.0

Wavelength, nm

193

Auxiliary gas, L/min Ar

1.0

Pulse duration, ns

5

Make-up gas, L/min Ar

0.8

Repetition rate, Hz

5

Detector mode

Dual

Fluence, J/cm2

5.9

Scan mode

Peak jumping

Spot size, µm

35

Settling time, ms

1

Sampling strategy

Single spot

Sweeps/reading

1

Pulses/spot

200

Data collecting mode

TRA

Carrier gas, L/min He

0.2 Inner cup

0.6 Main volume

Sampling depth, mm

5