High spatial resolution quantitative elemental imaging of foraminifer by laser ablation-inductively coupled plasma-mass spectrometry

Abstract

A methodology for high spatial resolution quantitative elemental imaging of foraminifer by LA-ICP-MS was developed.

Preliminary Characterisation of New Reference Materials (CaW‐0, CaW‐1 and CaW‐3) for Microanalysis of Rare Earth Elements in Scheelite by Laser Ablation‐Inductively Coupled Plasma‐Mass Spectrometry

“…This can be done using the following equation (Ke et al . 2019b, Li et al . 2019):where C sam i and C std i were mass fractions of REE in samples and “external” calibrators; I sam i and I std i were signal intensities of REE in samples and external calibrators; C sam IS and C std IS were mass fractions of internal standard (IS, i.e., 44 Ca in this work) in samples and external calibrators; I sam IS and I std IS were signal intensities of IS in samples and external calibrators.…”

Preparation of ashless cellulose paper standards for rapid determination of multi-element concentrations in airborne fine particulate matter using laser ablation inductively coupled plasma mass spectrometry

“…Prior to every experiment, the LA-ICP-MS were preheated 30 min before operation and optimization. NIST silicate glass reference material of the NIST 610 was employed for optimizing the coupling before the analysis, for the maximum intensity of the 139 La + signal and minimum formation of oxide (representing 232 Th 16 O + / 232 Th + < 0.5%), and to keep the U + /Th + ratio close to 1, and the tuning methods employed have been previously described by Yuan et al 35,36 The optimized instrument operating parameters are summarized in Table 1. The background and analyte signals offline selection, integration, and quantitative calibration were performed using an in-house soware, LAICPMSDataCal.…”

“…Although these processes have been well established and satisfy most requirements, the digestion procedure is usually complicated and tedious as it consumes more acid and time than a direct sampling method, substantially limiting the analysis throughput. Additionally, it can cause the loss of volatile components during digestion or increase the spectral overlap of polyatomic peaks (e.g., 40 Ar 35 Cl + on 75 As + ). 13 Therefore, direct PM 2.5 analysis without complex sample preparation has long been a topic of great interest.…”

Preparation of REE-doped NaY(WO4)2 single crystals for quantitative determination of rare earth elements in REE:NaY(WO4)2 laser crystals by LA-ICP-MS

“…For these reasons, direct solid analysis of laser crystals is necessary and a methodology for in situ microanalysis of laser crystals is advocated. Common analytical methods for this purpose include X-ray uorescence (XRF), 14 scanning electron microscopy combined with energy dispersive X-ray spectroscopy (SEM-EDX), 15 electron probe microanalysis (EPMA), 16 glow discharge mass spectrometry (GD-MS), 17 secondary ion mass spectroscopy (SIMS), 18 laser-induced breakdown spectroscopy (LIBS), 19 laser ablation-dielectric barrier discharge ionization (LA-DBDI), 20,21 and laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS), [22][23][24][25] etc., among which LA-ICP-MS has become a direct, rapid, and sensitive method to determine elemental concentrations in solid samples.…”