Skip to main content

Table 1 Instrumental setting and operational parameters

From: Sm-Nd isotopic analysis of mixed standard solutions by multi-collector inductively coupled plasma mass spectrometry: evaluations on isobaric interference correction of Nd isotopic composition and external calibration of Sm/Nd ratio

RF forward power 1200 W
RF reflected power < 2 W
Cooling gas 15 L/min
Auxiliary gas 0.75 - 0.80 L/min
Sample gas 0.985 - 0.990 L/min
Extraction −2 kV
Focus −0.654 kV
Acceleration voltage 10 kV
Interface cones Nickel
Spray chamber Quartz dual cyclonic
Nebulizer ESI PFA MicroFlow
Sample uptake rate 100 μL/min
Instrumental resolution ca. 400
Mass analyzer pressure 2.9 × 10-9 mbar