UV TALK LETTER Vol. 14

The diffuse reflection method is used to measure powder samples with a UV-VIS spectrophotometer. It involves using an integrating sphere to collect and measure the diffuse reflected light. In diffuse reflectance measurements, diffuse reflectance is proportional to concentration and the absorption coefficient when converted by Kubelka-Munk transformation, in the same way that transmittance is proportional to concentration and the absorption coefficient when converted to absorbance. Therefore, the following explanation of the Kubelka-Munk transformation compares how the transformation differs from the transmittance-to-absorbance conversion.

Content Type:
Journal
Document Number:
C101-E137
Product Type:
Molecular Spectroscopy, UV-Vis-NIR Spectroscopy
Keywords:
Powder Samples, Diffuse Reflectance Measurement, Kubelka-Munk, Food Color, Food and Beverages, Hydrocarbon Processing Industry (Petrochemical, Chemical), Food QAQC, Glass, Cement, Ceramics, Other inorganic material, UV-2600, UV-3600, MPC-3100
Language:
English
File Name:
jpa115014.pdf
File Size:
945kb

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