FIELD: analytical chemistry, analysis of materials with use of optical and other methods. SUBSTANCE: procedure includes sampling of oil and other special liquids, thorough mixing of oil with the aid of ultrasound or mechanical agitator. During preparation sample is centrifuged beforehand, precipitate is separated and diluted with diluent free of additives with which comparison samples are prepared . EFFECT: increased evaluation authenticity of technical state of machines and mechanism in process of their running.
| Title | Year | Author | Number |
|---|---|---|---|
| PROCEDURE DETERMINING CHARACTERISTICS OF MICROIMPURITIES IN LUBRICATING OILS, FUELS AND SPECIAL LIQUIDS | 1998 |
|
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RU2118815C1 |
