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ASTM D7279-20
Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids by Automated Houillon Viscometer
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NORM herausgegeben am 1.11.2020
Informationen über die Norm:
Bezeichnung normen: ASTM D7279-20
Ausgabedatum normen: 1.11.2020
SKU: NS-1013166
Zahl der Seiten: 9
Gewicht ca.: 27 g (0.06 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Measurement of volume, mass, density, viscosityLubricants, industrial oils and related products
Die Annotation des Normtextes ASTM D7279-20 :
Keywords:
Houillon viscometer, kinematic viscosity, used oils,, ICS Number Code 17.060 (Measurement of volume, mass, density, viscosity),75.100 (Lubricants, industrial oils and related products)
Ergänzende Informationen
| Significance and Use | ||||||||||||||||||||||||
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5.1?Many petroleum products and some non-petroleum products are used as lubricants in the equipment, and the correct operation of the equipment depends upon the appropriate viscosity of the lubricant being used. Additionally, the viscosity of many petroleum fuels is important for the estimation of optimum storage, handling, and operational conditions. Thus, the accurate determination of viscosity is essential to many product specifications. 5.2?The viscosity of used oils is a commonly determined parameter in the oil industry to assess the effect of engine wear on the lube oils used, as well as the degradation of the engine parts during operation. 5.3?The Houillon viscometer tube method offers automated determination of kinematic viscosity. Typically a sample volume of less than 1 mL is required for the analysis. |
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| 1. Scope | ||||||||||||||||||||||||
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1.1?This test method covers the measurement of the kinematic viscosity of transparent and opaque liquids; such as base oils, formulated oils, diesel oil, biodiesel, biodiesel blends, residual fuel oils, marine fuels, and used lubricating oils using a Houillon viscometer in automated mode. 1.2?The range of kinematic viscosity capable of being measured by this test method is from 2 mm2/s to 2500 mm2/s (see Fig. 1). The range is dependent on the tube constant utilized. The temperature range that the apparatus is capable of achieving is between 20 ?C and 150 ?C, inclusive. However, the precision has only been determined for the viscosity range; 2 mm2/s to 478 mm2/s at 40 ?C for base oils, formulated oils, diesel oil, biodiesel, and biodiesel blends; 3 mm2/s to 106 mm2/s at 100 ?C for base oils and formulated oils; 25 mm2/s to 150 mm2/s at 40 ?C and 5 mm2/s to 16 mm2/s at 100 ?C for used lubricating oils; 25 mm2/s to 2500 mm2/s at 50 ?C and 6 mm2/s to 110 mm2/s at 100 ?C for residual fuels. As indicated for the materials listed in the precision section. FIG. 1?Houillon Viscometer Typical Viscosity Range of Tube Constants 1.3?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||||||
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