Method for the colour measurement of printed samples comprising optical brighteners

The process involves measuring a raw spectral reflection factor of a sample by illumination of the sample with light without ultraviolet portion, and measuring a fluorescence spectrum of the sample by illumination of the sample with only ultraviolet light. The measured fluorescence spectrum is conve...

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Bibliographische Detailangaben
Hauptverfasser: EHBETS, PETER, WEGMUELLER, MARK, VON ORELLI, ADRIAN, FRICK, BEAT
Format: Patent
Sprache:eng ; fre ; ger
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