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Standard Test Method for Kinematic Viscosity of Volatile and Reactive Liquids
Přeložit název
NORMA vydána dne 1.12.2018
Označení normy: ASTM D4486-18
Poznámka: NEPLATNÁ
Datum vydání normy: 1.12.2018
Kód zboží: NS-936560
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
kinematic viscosity, reactive liquid, viscosity, volatile liquid ,, ICS Number Code 17.060 (Measurement of volume, mass, density, viscosity)
Significance and Use | ||||
5.1 Kinematic viscosity is a physical property which is of importance in the design of systems in which flowing liquids are used or handled. |
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1. Scope | ||||
1.1 This test method covers the measurement of kinematic viscosity of transparent, Newtonian liquids which because of their reactivity, instability, or volatility cannot be used in conventional capillary kinematic viscometers. This test method is applicable up to 2 × 10−5 N/m2 (2 atm) pressure and temperature range from −53 °C to +135 °C (−65 °F to +275 °F). 1.1.1 For the measurement of the kinematic viscosity of other liquids, see Test Method D445. The difference between the two methods is in the viscometers. The viscometers specified in used Specification D446 are open to the atmosphere, while the viscometers in this method are sealed. When volatile liquids are measured in sealed viscometers, the density of the vapor may not be negligible compared with the density of the liquid and the working equation of the viscometer has to account for that. See Section 11 for details. 1.2 1.3 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. 1.4 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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