Method and apparatus for measuring fibre properties

Details Method and apparatus for measuring fibre properties Method and apparatus for measuring fibre properties

G - Physics

01

N

G01N 21/64 (2006.01) G01N 3/40 (2006.01) G01N 15/14 (2006.01) G01N 33/34 (2006.01) G01N 33/46 (2006.01) G01N 3/02 (2006.01) G01N 3/06 (2006.01) G01N 15/00 (2006.01) G01N 15/02 (2006.01)

Patent

CA 2329294

The invention relates to a fluorescence microscopy technique for measuring physical and chemical properties of individual fibre-like particles. Fluorescence intensity per unit length is shown to be proportional to the fibre coarseness. In addition, other fibre properties such as fibre length, width and wall thickness can be obtained from fluorescence images, and lignin content from fluorescence spectra. The present invention will provide a process for determining the uniformity of pulp samples in terms of the physical and chemical properties of the individual fibre-like particles, particularly wood pulp fibres.

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