FIELD: machine building.
SUBSTANCE: invention refers to test medium for express-analysis of motor oils in internal combustion engines. Medium has density from 50.0 to 200.0 g/m2 and in terms per total weight of test medium contains from 70.0 to 98.0% of weight of cotton pulp, from 0.0 to 25.0% of weight of cellulose and from 0.5 to 30.0% of weight of silicon acid and/or at least silicate salt. Another invention refers to method for express-analysis of motor oils in internal combustion engines whereat researched drop of motor oil is applied on and penetrates into test medium disclosed in this invention. Further, for evaluation of engine condition results of the test are compared mainly with at least one reference pattern. Also here is disclosed the method for express-analysis of actual state of internal combustion engine utilising the above described test medium.
EFFECT: simplicity, quickness and reliability of analysis.
20 cl
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