Analytical sciences literature
Application note: SCA oxidation application note - cultural heritage
SEM-SCA analysis helps in the preservation of a corroding bronze statue of the Roman god Ares from the ancient city of Zeugma in Turkey.
We have also produced a range of application examples, including the following.
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The distribution of active and excipient species in illicit ecstasy tablets has been determined over the complete surface using the Renishaw StreamLine™ imaging technique. The distribution of components is revealed using univariate and multivariate image creation methods.
StreamLine ink character
Whole character ink analysis can reveal previously unknown information such as doctored characters and pen contact on the paper using the Renishaw StreamLine™ fast imaging technique. This was not previously practical using Raman microscopy due to the required long exposure times and laser damage. StreamLine imaging can provide unique information based on chemical differences between the inks and paper. This is important in the analysis of questioned documents.
StreamLine crossed ink lines
For the first time, using the Renishaw StreamLine™ imaging technique, the deposition order over the whole crossing region from two black ink strokes can be determined. This information is based on the chemical differentiation and high spatial resolution afforded by the Renishaw inVia Raman microscope. The order of deposition is valuable information for fraudulent disputes.