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Chromatographic and electrophoretic approaches in ink analysis
1Counterfeit Division, US Secret Service, Washington DC 20001, USA.
Journal of Chromatography. B, Biomedical Sciences and Applications
|November 26, 1999
Summary
This study reviews ink components and separation techniques. Analytical methods like chromatography and electrophoresis are crucial for forensic ink analysis, aiding investigations into fraud and forgery.
Area of Science:
- Analytical Chemistry
- Forensic Science
Background:
- Inks vary widely in chemical composition based on their intended use.
- Chromatographic and electrophoretic methods have been vital since the 1950s for ink analysis.
- Ink composition analysis is critical in forensic investigations of counterfeiting and forgery.
Purpose of the Study:
- To review the diverse components found in various ink types.
- To examine the application of chromatographic and electrophoretic techniques for ink separation and analysis.
Main Methods:
- Paper chromatography and electrophoresis
- Thin-layer chromatography (TLC)
- High-performance liquid chromatography (HPLC)
- Gas chromatography (GC)
- Gel electrophoresis
- Capillary electrophoresis (CE)
Main Results:
- The paper provides a comprehensive overview of ink constituents.
- It details the utility and application of various separation techniques for ink analysis.
- Established and emerging methods are discussed for their effectiveness in differentiating ink samples.
Conclusions:
- Chromatographic and electrophoretic methods are essential tools for ink analysis.
- Understanding ink composition aids in forensic investigations and combating illicit activities.
- Continued exploration of these analytical techniques enhances their forensic applicability.
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