Test medium for the rapid analysis of motor oils in internal...

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Patent

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G01N 33/28 (2006.01) B01D 39/18 (2006.01) D21H 27/08 (2006.01)

Patent

CA 2592951

The invention relates to a test medium for the rapid analysis of motor oils in internal combustion engines. Said test medium has a weight per unit area of 50.0 to 200.0 g/m2 and comprises, based on the entire weight of the test medium, 20.0 % by weight to 98.0 % by weight of cotton pulp, 0.0 % by weight to 50.0 % by weight of cellulose and 0.1 % by weight to 50.0 % by weight of silicic acid and/or at least one silicate salt. The invention also relates to a rapid analysis method for motor oils in internal combustion engines. Said method is characterized by applying a drop of the motor oil to be examined to the test medium according to the invention and allow the drop to penetrate the test medium. The test result is then preferably compared with at least one reference image in order to determine the condition of the motor.

La présente invention concerne un milieu d'essai pour réaliser l'analyse rapide d'huiles moteur dans des moteurs à combustion interne, ayant une masse au mètre carré de 50,0 à 200,0 g/m2, comprenant, rapportés au poids total du milieu d'essai, 20,0 à 98,0 % en poids de pâte de coton, 0,0 à 50,0 % en poids de cellulose et 0,1 à 50,0 % en poids d'acide silicique et/ou au moins un sel de silicate. L'invention a également pour objet un procédé pour réaliser l'analyse rapide d'huiles moteur dans des moteurs à combustion interne, au cours duquel une goutte d'une huile moteur à analyser, est déposée sur le milieu d'essai de l'invention, ladite goutte pénétrant dans le milieu d'essai, et le résultat de l'essai étant ensuite comparé de préférence avec au moins une image de référence, afin de déterminer l'état du moteur.

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