The quantitative analysis of glass by atomic absorption spectroscopy

Area of Science:

• Forensic Science
• Analytical Chemistry
• Materials Science

Background:

• Glass fragments are common in forensic investigations.
• Accurate elemental analysis is crucial for glass comparison.
• Previous methods may lack sensitivity for microgram samples.

Purpose of the Study:

• To develop a sensitive analytical procedure for trace elements in glass.
• To assess the utility of manganese and magnesium concentrations for glass classification.
• To provide a method for discriminating between different glass origins.

Main Methods:

• Development of an analytical procedure for microgram quantities of glass.
• Determination of manganese (Mn) and magnesium (Mg) concentrations.
• Utilizing techniques suitable for small sample sizes.

Main Results:

• Successful development of an analytical procedure for Mn and Mg in ~1 mg glass fragments.
• Quantification of manganese and magnesium concentrations achieved.
• Elemental concentrations demonstrated potential for distinguishing glass samples.

Conclusions:

• The developed analytical method is effective for analyzing microgram glass samples.
• Manganese and magnesium content in glass can serve as valuable forensic markers.
• This technique offers a promising approach for glass fragment analysis and comparison.