G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 33/34 (2006.01)
Patent
CA 2679179
The invention relates to a method for determining the concentration of hydrophobic organic particles in the filtrate of a paper fabric. According to said method, the hydrophobic organic particles are marked with a fluorescent dye and are excited in such a way as to emit light. The light emitted by the marked particles is detected, and the mass concentration of the particles is determined on the basis of the fluorescence intensity. The invention also relates to the use of said method for determining the total concentration of hydrophobic organic particles in the filtrate of a paper fabric which is drained on a sieve.
L'invention concerne un procédé permettant de détecter la concentration en particules organiques hydrophobes dans un filtrat de pâte à papier, selon lequel les particules organiques hydrophobes sont marquées avec un colorant fluorescent, puis stimulées pour émettre de la lumière. La lumière émise par les particules marquées est détectée et la concentration massique des particules est déterminée sur la base de l'intensité de fluorescence des particules. L'invention concerne également l'utilisation dudit procédé pour déterminer la concentration totale en particules organique hydrophobes dans le filtrat d'une pâte à papier égouttée sur un tamis.
Basf Se
Robic
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