Table 3 Operational conditions used for LA-ICP-MS experiments.

From: Metal concentrations and distributions in the human olfactory bulb in Parkinson’s disease

Sample introduction

System parameters

Radio-frequency power

1350 W

Laser ablation system

RESOlution

Nebulizer gas flow (Ar)

0.6 L min−1

Ablation mode

Line scans

Auxiliary gas flow (Ar)

1.2 L min−1

Wavelength

193 nm

Plasma gas flow (Ar)

15 L min−1

Repetition frequency

5 Hz

Makeup gas flow (He)

0.5 L min−1

Laser pulse duration

5 ns

Makeup gas flow (N)

0.006 L min−1

Laser power

0.02 mJ

  

Laser fluence

1.024 J/cm2

Olfactory bulb scans

Laser beam diameter

50 µm

  

Scan speed

50 µm s−1

  

Distance between lines

20 µm