Summaries Chemical imaging analysis
An application note from PerkinElmer discusses the use of the new Spectrum Spotlight chemical imaging system for the analysis of a four-layer laminate used in a monochrome photographic product. The analysis is described and illustrated in detail. The system took less than 2 min to obtain a visual image of a 50 μm section of the film showing identifiable features. A total absorbance map showed some detail, particularly in the filler layer. Further spectral analysis across the entire area of the sample revealed two distinct components which could be clearly separated by single wavenumber analysis. The remaining layers were resolved using the Band Ratio feature of the Spotlight software. Visualisation of all the chemically resolved regions was carried out using Spotlight's Layer Manager feature to assign a single false colour to each image. The final image shows that the packing material is contained within the packing layer and does not impinge on the finish or chemical substrate.
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Gujarathi Dipak B. said More...Sir,
This is an excellent appl... 8 months ago -
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Matrix suppression is ... 1 year ago -
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