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ASTM D 7961 : 2022

Current

Current

The latest, up-to-date edition.

Standard Practice for Calibrating U-tube Density Cells over Large Ranges of Temperature and Pressure

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-12-2022

€56.53
Excluding VAT

Committee
D 02
DocumentType
Standard Practice
Pages
7
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

1.1This practice outlines procedures for the calibration of U-tube density cells. It is applicable to instruments capable of determining fluid density at temperatures in the range –10 °C to 200 °C and pressures from just greater than the saturation pressure to 140 MPa. The practice refers to density cells as they are utilized to make measurements of fluids primarily in the compressed-liquid state. Examples of substances for which the density can be determined with a calibrated U-tube density meter include: crude oils, gasoline and gasoline-oxygenate blends, diesel and jet fuels, hydraulic fluids, and lubricating oils.

1.2This practice specifies a procedure for the determination of the expanded uncertainty of the density measurement.

1.3This practice pertains to fluids with viscosities < 1 Pa·s (1000 centipoise) at ambient conditions.

1.44 The values listed in SI units are regarded as the standard, unless otherwise stated. The SI unit for mass density is kilograms per cubic metre (kg·m-3) and can be given as grams per cubic centimetre (g·cm-3).

1.5This 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.

1.6This 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.

ASTM D 4052 : 2018 : REV A Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D 4175 : 2024 : EDT 1 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 6792 : 2023 : REV C Standard Practice for Quality Management Systems in Petroleum Products, Liquid Fuels, and Lubricants Testing Laboratories
ASTM D 4175 : 2022 : REV A Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 4175 : 2023 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 6792 : 2023 : REV B Standard Practice for Quality Management Systems in Petroleum Products, Liquid Fuels, and Lubricants Testing Laboratories
ASTM D 5002 : 2019 Standard Test Method for Density, Relative Density, and API Gravity of Crude Oils by Digital Density Analyzer
ASTM D 4175 : 2022 : REV A : EDT 1 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 6792 : 2023 : REV A Standard Practice for Quality Management Systems in Petroleum Products, Liquid Fuels, and Lubricants Testing Laboratories
ASTM D 4175 : 2023 : EDT 1 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 4175 : 2023 : REV A Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 4175 : 2022 : EDT 1 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 6792 : 2022 Standard Practice for Quality Management Systems in Petroleum Products, Liquid Fuels, and Lubricants Testing Laboratories
ASTM D 4052 : 2022 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D 4175 : 2024 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 6792 : 2023 Standard Practice for Quality Management Systems in Petroleum Products, Liquid Fuels, and Lubricants Testing Laboratories
ASTM D 5002 : 2022 Standard Test Method for Density, Relative Density, and API Gravity of Crude Oils by Digital Density Analyzer
ASTM D 6792 : 2022 : REV A Standard Practice for Quality Management Systems in Petroleum Products, Liquid Fuels, and Lubricants Testing Laboratories

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