Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Titrimetric Methods: Types and Commonly Used Strategies

Titrimetric Methods: Types and Commonly Used Strategies

In chemistry, titrimetric methods are broadly classified into three types: volumetric, gravimetric, and coulometric. Volumetric titrations involve measuring the volume of a titrant of known concentration that is required to react completely with an analyte. In gravimetric titrations, the standard solution reacts with the analyte to form an insoluble precipitate, which is filtered, dried, and weighed. In coulometric titrations, current is applied to an electrochemical reaction until the reaction...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

What Lies INSIDE: Chemometric Insights on the Penetration Depth of Near-Infrared Radiation in Spectral Imaging Configurations.

Analytical chemistry·2026

Same author

Characterizing the microbiota of traditional wooden tools and their impact on the hygiene and quality of TAP Vastedda Palermitana cheese.

International journal of food microbiology·2026

Same author

Red Grape Pomace as a Quality-Modulating Ingredient in Dairy Cattle Salamis.

Foods (Basel, Switzerland)·2026

Same author

Short-term recovery of urban soil functions after de-sealing in Palermo (Italy).

Journal of environmental management·2026

Same author

Olive orchard intensification compromises soil water erosion control in a semi-arid environment.

PloS one·2026

Same author

Expanding the Capabilities of Portable Mapping in Macroscopic External Reflection FT-IR through a Targeted Data-Driven Spectral Enhancement and Denoising Strategy.

ACS measurement science au·2026

Search research articles

Related Experiment Video

Updated: May 5, 2026

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations

Published on: September 11, 2016

Multivariate Strategy for Understanding Soil Features from Rare-Earth Element Profiles: A Focus on Data

Marcella Barbera¹, Sara Gariglio^2,3, Cristina Malegori²

¹Department of Earth and Marine Sciences, University of Palermo, Palermo 90123, Italy.

ACS Measurement Science Au

|April 21, 2025

Summary

This summary is machine-generated.

This study introduces a new method using Principal Component Analysis (PCA) to map rare-earth element (REE) distributions in soils. This approach simplifies data interpretation and reveals soil properties without normalization challenges.

More Related Videos

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Published on: October 16, 2018

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

Published on: September 1, 2020

Related Experiment Videos

Last Updated: May 5, 2026

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations

Published on: September 11, 2016

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Published on: October 16, 2018

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

Published on: September 1, 2020

Area of Science:

Environmental Science
Geochemistry
Chemometrics

Background:

Rare-earth elements (REE) are crucial in technology and environmental studies.
Current REE analysis relies on normalization, which can lead to inconsistent results.
Interpreting REE distribution in natural environments requires robust analytical methods.

Purpose of the Study:

To develop an alternative, more interpretable method for analyzing REE concentration profiles.
To create REE chemometric maps using Principal Component Analysis (PCA).
To correlate REE patterns with soil properties for enhanced environmental monitoring.

Main Methods:

Application of Principal Component Analysis (PCA) to REE concentration data.
Creation of REE chemometric maps using an RGB color scale based on principal components.
Analysis of non-normalized REE data to assess methodological consistency.

Main Results:

PCA effectively visualizes REE distribution on geographical maps, highlighting compositional similarities and differences.
The method provides unsupervised insights into soil properties by correlating them with REE patterns.
Results obtained from non-normalized data are consistent with those from normalized data.

Conclusions:

The proposed PCA-based chemometric mapping offers a powerful, interpretable alternative to traditional REE analysis.
This approach overcomes normalization challenges and enhances understanding of soil characteristics and evolution.
The methodology facilitates environmental monitoring and reveals new connections between seemingly unrelated soil samples.