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ASTM D1120-22

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Standard Test Method for Boiling Point of Engine Coolants

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1.1 This test method covers the determination of the equilibrium boiling point of engine coolants. The equilibrium boiling point indicates the temperature at which the sample will start to boil in a cooling system under equilibrium conditions at atmospheric pressure.

Note 1: Engine coolants may also be marketed in a ready-to-use form (prediluted). This test procedure is applicable to diluted solutions as well as to concentrates.

Note 2: The procedure for obtaining a representative test sample of a coolant solution that contains an antileak additive is found in Practice D1176.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

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.


This test method establishes the standard procedures for the determination of the equilibrium boiling point of engine coolants. The equilibrium boiling point indicates the temperature at which the sample will start to boil in a cooling system under equilibrium conditions at atmospheric pressure. This method requires the use of the following apparatuses: round-bottom, short-neck, heat-resistant glass flask; water-cooled, reflux, glass-tube type condenser; grit No. 8 boiling stones of silicon carbide grains; partial immersion thermometer; and electric heating mantle as heat source. Specified amounts of the sample shall be boiled under equilibrium conditions at atmospheric pressure in the flask. The temperature of the liquid corrected for barometric pressure shall be the boiling point.


SDO ASTM: ASTM International
Document Number D1120
Publication Date Sept. 1, 2022
Language en - English
Page Count 3
Revision Level 22
Supercedes
Committee D15.03
Publish Date Document Id Type View
Sept. 1, 2022 D1120-22 Revision
April 1, 2017 D1120-17 Revision
April 1, 2016 D1120-16 Revision
March 1, 2011 D1120-11E01 Revision
March 1, 2011 D1120-11 Revision
Oct. 1, 2008 D1120-08 Revision
July 15, 1994 D1120-94R98E01 Revision
May 1, 2004 D1120-94R04 Reaffirmation
Jan. 1, 1998 D1120-94R98 Reaffirmation