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Qualitative Analysis

Qualitative Analysis

For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
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Related Experiment Video

Updated: Feb 13, 2026

On-Site Sampling and Extraction of Brain Tumors for Metabolomics and Lipidomics Analysis

On-Site Sampling and Extraction of Brain Tumors for Metabolomics and Lipidomics Analysis

Published on: May 31, 2020

Lipidomic Analysis.

Michal Holčapek¹, Gerhard Liebisch², Kim Ekroos³

¹Department of Analytical Chemistry, Faculty of Chemical Technology , University of Pardubice , Studentská 573 , 53210 Pardubice , Czech Republic.

Analytical Chemistry

|March 16, 2018

Summary

This summary is machine-generated.

This review covers lipidomic analysis, detailing sample preparation, mass spectrometry (MS) methods for lipid identification, and quantitative MS for clinical studies. It also highlights challenges in best practices, nomenclature, and data reporting standards.

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Last Updated: Feb 13, 2026

On-Site Sampling and Extraction of Brain Tumors for Metabolomics and Lipidomics Analysis

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Published on: May 31, 2020

Lipidomics and Transcriptomics in Neurological Diseases

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Published on: March 18, 2022

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Area of Science:

Biochemistry
Analytical Chemistry
Clinical Diagnostics

Background:

Lipidomics is crucial for understanding biological systems.
Standardized methods are needed for reliable lipid analysis.
Current lipidomic workflows face challenges in reproducibility and data interpretation.

Purpose of the Study:

To summarize the current state-of-the-art in lipidomic analysis.
To provide an overview of sample preparation and mass spectrometry (MS)-based methods.
To discuss challenges and propose directions for lipidomic analysis standardization.

Main Methods:

Review of existing literature on lipidomic analysis techniques.
Focus on mass spectrometry (MS) for qualitative and quantitative lipid analysis.
Discussion of sample preparation strategies for diverse biological matrices.

Main Results:

Overview of established and emerging MS-based lipidomic methodologies.
Identification of key challenges in lipidomic data acquisition and analysis.
Summary of current practices in sample preparation and quantitative analysis.

Conclusions:

Standardization of lipidomic analysis is essential for clinical applications.
Further development of best practices, nomenclature, and data reporting standards is required.
Advances in MS technology continue to enhance lipidomic capabilities.