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

Volatilization

Volatilization

Volatilization gravimetry is an analytical technique that measures the mass lost due to the volatilization of the substance. This technique is used to estimate the amount of volatile material in a sample. To perform this method, heat a known amount of the sample to a high temperature in a crucible or other suitable vessel. The volatile substance in the sample evaporates, and the vapor is completely expelled from the crucible either by heating the sample or bubbling a stream of inert gas through...

You might also read

Related Articles

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

Sort by

Same author

On the interface between linguistics, computer science and psychiatry: analyzing textual key-factors affecting BERT-based classification of schizophrenia in social media texts.

Frontiers in artificial intelligence·2026

Same author

Clinical standards for antimicrobial stewardship in TB care.

IJTLD open·2025

Same author

Comparing end-user diagnostic outputs from a commercial tNGS pipeline for <i>Mycobacterium tuberculosis</i> drug resistance detection.

IJTLD open·2025

Same author

Novel Bragg peak characterization method using proton flux measurements on plastic scintillators.

Physics in medicine and biology·2024

Same author

Recommendations for the implementation of a national lung cancer screening program in Portugal-A consensus statement.

Pulmonology·2024

Same author

Spatial accumulation of flood-driven riverside litter in two Northern Atlantic Rivers.

Environmental pollution (Barking, Essex : 1987)·2024

Search research articles

Related Experiment Video

Updated: May 25, 2026

PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis

PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis

Published on: May 11, 2017

Static headspace analysis using polyurethane phases--application to roasted coffee volatiles characterization.

C Rodrigues¹, F C M Portugal, J M F Nogueira

¹University of Lisbon, Faculty of Sciences, Chemistry and Biochemistry Department and Centre of Chemistry and Biochemistry, Campo Grande, Ed. C8, 1749-016 Lisbon, Portugal.

|January 31, 2012

Summary

This summary is machine-generated.

Polyurethane foams offer a superior method for analyzing volatile compounds in roasted coffee. This static headspace sorptive extraction technique provides higher capacity, sensitivity, and selectivity than existing methods.

More Related Videos

Tea Aroma Analysis Based on Solvent-Assisted Flavor Evaporation Enrichment

Tea Aroma Analysis Based on Solvent-Assisted Flavor Evaporation Enrichment

Published on: May 26, 2023

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Published on: June 9, 2021

Related Experiment Videos

Last Updated: May 25, 2026

PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis

PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis

Published on: May 11, 2017

Tea Aroma Analysis Based on Solvent-Assisted Flavor Evaporation Enrichment

Tea Aroma Analysis Based on Solvent-Assisted Flavor Evaporation Enrichment

Published on: May 26, 2023

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Published on: June 9, 2021

Area of Science:

Analytical Chemistry
Food Chemistry

Background:

Volatile compound analysis is crucial for characterizing food products like roasted coffee.
Existing methods like HSSE(PDMS) and HS-SPME(CAR/PDMS) have limitations in capacity, sensitivity, and selectivity.

Purpose of the Study:

To introduce and evaluate static headspace sorptive extraction using polyurethane foams (HSSE(PU)) for volatile analysis.
To compare the performance of HSSE(PU) against established methods for roasted coffee volatile profiling.

Main Methods:

Static headspace sorptive extraction using polyurethane foams (HSSE(PU)).
Gas chromatography coupled to mass spectrometry (GC-MS) for volatile compound detection.
Comparative analysis with HSSE(PDMS) and HS-SPME(CAR/PDMS).

Main Results:

HSSE(PU) demonstrated significantly higher capacity, sensitivity, and selectivity compared to HSSE(PDMS) and HS-SPME(CAR/PDMS).
A greater abundance and number of volatile compounds (furans, pyrazines, ketones, acids, pyrroles) were detected in roasted coffee using HSSE(PU).
Convenient experimental conditions were achieved with the HSSE(PU) method.

Conclusions:

Polyurethane foams are highly effective polymeric phases for static headspace sorption-based volatile analysis.
HSSE(PU) presents a promising alternative to existing methods for comprehensive volatile profiling.
This novel approach enhances the characterization of volatile profiles in complex matrices like roasted coffee.