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Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...

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Related Experiment Video

Updated: Mar 29, 2026

Isolation of Quartz Grains for Optically Stimulated Luminescence OSL Dating of Quaternary Sediments for Paleoenvironmental Research

Isolation of Quartz Grains for Optically Stimulated Luminescence OSL Dating of Quaternary Sediments for Paleoenvironmental Research

Published on: August 2, 2021

Assessing rare earth elements in quartz rich geological samples.

A Santoro¹, V Thoss¹, S Ribeiro Guevara²

¹Bangor University, School of Chemistry, Bangor LL57 2UW, United Kingdom.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine

|November 24, 2015

Summary

Sodium peroxide fusion with ICP-MS/MS offers a rapid and accurate method for screening rare earth elements in quartz-rich geological samples. This technique provides reliable results comparable to INAA, aiding in commercial viability assessments.

Keywords:

ICP-MS INAA Quartz Rare earth elements Sodium peroxide

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Last Updated: Mar 29, 2026

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Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis

Analysis of Minerals Produced by hFOB 1.19 and Saos-2 Cells Using Transmission Electron Microscopy with Energy Dispersive X-ray Microanalysis

Published on: June 24, 2018

Area of Science:

Geochemistry
Analytical Chemistry

Background:

Rare earth elements (REEs) are critical for various industrial applications.
Accurate and rapid screening methods are needed for geological samples, especially in resource exploration.
Traditional methods can be time-consuming and costly.

Purpose of the Study:

To develop and validate a rapid analytical method for determining REE content in quartz-rich geological samples.
To assess the accuracy and efficiency of sodium peroxide (Na2O2) fusion coupled with Inductively Coupled Plasma Tandem Mass Spectrometry (ICP-MS/MS).

Main Methods:

Samples underwent sodium peroxide (Na2O2) fusion.
REEs were measured using Inductively Coupled Plasma Tandem Mass Spectrometry (ICP-MS/MS).
Method accuracy was validated using a geological reference material (QLO-1) and compared with Instrumental Neutron Activation Analysis (INAA).

Main Results:

The Na2O2/ICP-MS/MS method achieved high accuracy, with QLO-1 recovery between 80% and 98%.
Low limits of detection (generally < 10 pg g⁻¹) and good repeatability (< 15%) were obtained for all REEs.
Results were comparable to INAA, with minor exceptions for specific isotopes.

Conclusions:

Sodium peroxide fusion coupled with ICP-MS/MS is a suitable and efficient method for screening REE content in quartz-rich geological samples.
The method is particularly valuable for preliminary assessments of commercial viability in geological exploration.
This technique offers a rapid, accurate, and cost-effective alternative for REE analysis.