Article

Spectroscopy

Semi-Quantitative Analysis for Geological Samples

Author(s):

Rigaku Corporation

Semi-quantitative analysis in modern XRF instruments is a unique method which is performed without reference materials for the unknown samples. This report demonstrates determination of chemical composition in geological samples using semi-quantitative analysis by the pressed powder method on a WDXRF spectrometer.

 

Newsletter

Get essential updates on the latest spectroscopy technologies, regulatory standards, and best practices—subscribe today to Spectroscopy.

Subscribe Now!
Related Content
Unsolved Problems in Spectroscopy - Part 2
August 29th 2025

Specificity and the Net Analyte Signal in Full-Spectrum Analysis

Jerome Workman, Jr.
Closeup of shiny nickel mineral ore in rough round shape with silver color, capturing the texture and shine with blurred background, blank space on the side for caption or design elements. Generated with AI. | Image Credit: © Your Hand Please - stock.adobe.com
August 29th 2025

New Study Expands Nickel Autoionization Spectra to Advance Laser Isotope Separation Technologies

Will Wetzel
Close up side shot of microplastics lay on people hand. Concept of water pollution and global warming. Climate change idea. micro plastics concept in food and water or sea | Image Credit: © Deemerwha studio - stock.adobe.com.
August 29th 2025

AI-Powered Fusion Model Improves Detection of Microplastics in the Atmosphere

Will Wetzel
Golden sign outside the United States Department of Government Efficiency (DOGE) © stockyme -chronicles-stock.adobe.com
August 29th 2025

How Analytical Chemists Are Navigating DOGE-Driven Funding Cuts

Jerome Workman, Jr.
Textural composition of tar sands tailings showcasing rich mineral deposits and vibrant layers in an abstract geological landscape. Generated by AI. | Image Credit: © GenZGraphics - stock.adobe.com.
August 29th 2025

Screening of Geological Rocks for Metal Composition Using Three Different Sample Preparation Methods for Atomic Spectroscopy

Ugur Caglayan Bahar Meryemoglu
A robotic hand is holding a pen and writing on a tablet. Generated by AI. | Image Credit: © Atthapon - stock.adobe.com.| Image Credit:
August 29th 2025

From Corporate Scientist to the Unpredictable World of Science Writing: Fond Memories of Twenty-Five Years of Freelancing for Spectroscopy Magazine

Robert Thomas