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About Albert Lyter

Video Densitometer

Thin Layer Chromatography (TLC)

Scanning Electron Microscope

Fourier Transform Infrared Spectroscopy

Atomic Force Microscopy

X-ray Photoelectron Spectroscopy


Federal Forensic Associates, Inc.

Video Densitometer

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Reflectance Spectrophotometry, or Densitometry is a quantitative technique which is used to determine the relative amounts of components present in inks, or the extraction characteristics of a given written entry. This information can help determine the number of different writing instruments used to prepare a given entry or the relative age of an entry in comparison with other writings.

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