Fluorescent Paper Strips for the Detection of Diesel Adulteration with Smartphone Read-out

Overview

This article presents a protocol for detecting diesel adulteration with kerosene using a fluorescent viscosity probe and a smartphone-based analysis system. The method allows for rapid qualitative results in under one minute, making it accessible for untrained personnel.

Key Study Components

Area of Science

• Fuel adulteration detection
• Fluorescent viscosity probes
• Smartphone-based analysis

Background

• Adulteration of diesel with kerosene can lead to economic damage.
• Rapid testing methods are essential in resource-limited settings.
• The method aligns with WHO ASSURED criteria for diagnostic tests.
• It can also be adapted for other onsite measurement applications.

Purpose of Study

• To provide a simple and quick method for detecting diesel adulteration.
• To enable users in resource-limited countries to perform tests without specialized equipment.
• To offer a new tool for various onsite measurement applications.

Methods Used

• Preparation of one millimolar solutions of reference dyes in toluene.
• Cutting cellulose strips from filter paper for use as test strips.
• Combining the strips with dye solutions in sealable vials.
• Utilizing a smartphone for analysis of the test results.

Main Results

• The method provides qualitative results in less than one minute.
• It can be performed by untrained personnel.
• The technique is versatile for other applications like explosive detection.
• It meets the demands set by WHO for rapid testing.

Conclusions

• This protocol offers a practical solution for detecting fuel adulteration.
• The approach is beneficial for users in resource-limited settings.
• Future applications may extend beyond fuel testing to other fields.

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