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Updated: Jun 16, 2026

Rapid Collection of Floral Fragrance Volatiles using a Headspace Volatile Collection Technique for GC-MS Thermal Desorption Sampling

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Visual indicator for trace organic volatiles.

Neal A Rakow¹, Michael S Wendland, John E Trend

¹3M Company, 3M Center, Building 235-2B-87, St. Paul, Minnesota 55144, USA.

Langmuir : the ACS Journal of Surfaces and Colloids

|February 20, 2010

Summary

This summary is machine-generated.

A new sensor provides visual color changes to detect trace organic vapors at 5 parts per million. This innovative device offers reliable detection of volatile organic compounds, even in the presence of water vapor.

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Area of Science:

Materials Science
Chemical Sensing
Analytical Chemistry

Background:

Trace organic vapors pose risks in various environments.
Existing detection methods can be complex or lack sensitivity.
Need for simple, visual, and reliable vapor detection systems.

Purpose of the Study:

To develop a novel sensor for visual indication of trace organic vapors.
To achieve high sensitivity and selectivity in vapor detection.
To ensure practical applicability by minimizing interference.

Main Methods:

Utilized a microporous material integrated into a visual thin film transducer.
Developed a sensor design for colorimetric response to volatile organic compounds (VOCs).
Evaluated sensor performance for visual and optoelectronic detection limits.

Main Results:

Demonstrated visual indication of organic vapors at concentrations as low as 5 parts per million (ppm).
Achieved optoelectronic detection sensitivity below 50 parts per billion (ppb).
Confirmed minimal interference from water vapor, enhancing practical utility.

Conclusions:

The novel sensor offers a simple and effective method for visual detection of trace organic vapors.
The sensor exhibits high sensitivity and selectivity, suitable for wide-ranging applications.
The design overcomes key limitations of existing technologies, paving the way for practical implementation.