A new Perkin Elmer Fourier Transform Infra-Red (FTIR) spectrometric microscope was recently installed in the NCPTT research labs. The instrument will allow researchers to map chemicals on the surface of cultural materials. This can be used to track chemical changes of organic treatments to small metal or stone surfaces over time. Currently, the instrument is being used to evaluate stone consolidation and cleaning treatment for the Arsenal and Macombe monuments in historic Congressional Cemetery.

For more information, contact Catherine Situma.

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