Improved Sample Holder for Internal Reflection Infrared Spectroscopy

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A sample clamp and prism holder have been made to improve the contact between sample and prism surfaces for quantitative internal reflection infrared spectroscopy. The efficacy of the clamp design was checked with several automotive paint samples by measuring the clamp pressure at which maximum band absorbance and constant absorbance ratios were achieved.

Keywords: Infrared internal reflection; Paints; Sample holder

Document Type: Research Article


Affiliations: Analytical Chemistry Department, General Motors Research Laboratories, 30500 Mound Road, Warren, Michigan 48090

Publication date: November 1, 1989

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