ASTM D1122-16(2017)e1
(Test Method)Standard Test Method for Density or Relative Density of Engine Coolant Concentrates and Engine Coolants By The Hydrometer
Standard Test Method for Density or Relative Density of Engine Coolant Concentrates and Engine Coolants By The Hydrometer
SIGNIFICANCE AND USE
4.1 The relative density of an engine coolant may be used to determine the approximate percent glycol, freezing point, and boiling point, provided the glycol type is known.
4.2 The relative density of an engine coolant concentrate can be used as a production control test.
SCOPE
1.1 This test method covers the determination of the relative density of engine coolant concentrates and engine coolants.
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
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 and health 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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´1
Designation: D1122 − 16 (Reapproved 2017)
Standard Test Method for
Density or Relative Density of Engine Coolant Concentrates
and Engine Coolants By The Hydrometer
This standard is issued under the fixed designation D1122; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
ε NOTE—Editorial changes were made throughout in April 2017.
1. Scope 3. Terminology
1.1 This test method covers the determination of the relative 3.1 Definitions:
density of engine coolant concentrates and engine coolants.
3.1.1 relative density, n—the ratio of the density of a
material at a stated temperature to the density of water at the
1.2 The values stated in SI units are to be regarded as
same stated temperature.
standard. The values given in parentheses are for information
only.
4. Significance and Use
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 4.1 The relative density of an engine coolant may be used to
responsibility of the user of this standard to establish appro- determine the approximate percent glycol, freezing point, and
priate safety and health practices and determine the applica- boiling point, provided the glycol type is known.
bility of regulatory limitations prior to use.
4.2 The relative density of an engine coolant concentrate
1.4 This international standard was developed in accor-
can be used as a production control test.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
5. Apparatus
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical 5.1 Hydrometers—Hydrometers shall be of glass, graduated
in specific gravity range as listed in Table 1, and shall conform
Barriers to Trade (TBT) Committee.
to Specification E100.
2. Referenced Documents
5.2 Hydrometer Cylinder—The hydrometer cylinder in
2.1 ASTM Standards:
which the sample for the relative density test is confined shall
D1176 Practice for Sampling and Preparing Aqueous Solu-
be made of clear glass and shall be cylindrical in shape. For
tions of Engine Coolants orAntirusts forTesting Purposes
convenience in pouring, it may have a lip on the rim. The
E1 Specification for ASTM Liquid-in-Glass Thermometers
inside diameter of the cylinder shall be at least 25.4 mm
E100 Specification for ASTM Hydrometers
(1.0 in.) greater than the outside diameter of the hydrometer.
E230/E230M Specification and Temperature-Electromotive
The height of the cylinder shall be such that the length of the
Force (emf) Tables for Standardized Thermocouples
column of sample it contains is greater by at least 25.4 mm
(1.0 in.) than the portion of the hydrometer which is immersed
beneath the surface of the sample after a state of equilibrium
has been reached.
5.3 Temperature Measuring Instrument—(Environmentally
This test method is under the jurisdiction ofASTM Committee D15 on Engine
safe thermometer or thermocouple). An ASTM Partial Immer-
Coolants and Related Fluids and is the direct responsibility of Subcommittee
sion Thermometer, having a range from –5 to 300 °C and
D15.03 on Physical Properties.
conforming to the requirements for thermometer 2C or 2F, as
Current edition approved April 1, 2017. Published April 2017. Originally
prescribed in Specification E1, or some suitable non-mercury
approved in 1950. Last previous edition approved in 2016 as D1122-16. DOI:
10.1520/D1122-16R17E01.
containing temperature measuring device, such as a
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
thermocouple, capable of operating in the same temperature
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
range and having equal or better accuracy as summarized in
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. Specification E230/E230M. See Section 8, Precision and Bias.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
´1
D1122 − 16 (2017)
TABLE 1 Available Hydrometer Sets
Range
ASTM Hydrometer No. Type
Total Each Hydrometer
111H to 117H for general use in heavy liquids 1.000 to 1.350 0.050
5.4 Water Bath—A water bath capable of maintaining a point on the hydrometer scale to which the sample rises above
sample temperature of 15.5 6 0.3 °C (60 6 0.5 °F) during the the main sur
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
´1
Designation: D1122 − 16 D1122 − 16 (Reapproved 2017)
Standard Test Method for
Density or Relative Density of Engine Coolant Concentrates
and Engine Coolants By The Hydrometer
This standard is issued under the fixed designation D1122; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
ε NOTE—Editorial changes were made throughout in April 2017.
1. Scope*Scope
1.1 This test method covers the determination of the relative density of engine coolant concentrates and engine coolants.
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
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 and health 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.
2. Referenced Documents
2.1 ASTM Standards:
D1176 Practice for Sampling and Preparing Aqueous Solutions of Engine Coolants or Antirusts for Testing Purposes
E1 Specification for ASTM Liquid-in-Glass Thermometers
E100 Specification for ASTM Hydrometers
E230/E230M Specification and Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
This test method is under the jurisdiction of ASTM Committee D15 on Engine Coolants and Related Fluids and is the direct responsibility of Subcommittee D15.03 on
Physical Properties.
Current edition approved April 1, 2016April 1, 2017. Published April 2016April 2017. Originally approved in 1950. Last previous edition approved in 20132016 as
D1122 – 13.D1122-16. DOI: 10.1520/D1122-16.10.1520/D1122-16R17E01.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’sstandard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
´1
D1122 − 16 (2017)
3. Terminology
3.1 Definitions:
3.1.1 relative density, n—the ratio of the density of a material at a stated temperature to the density of water at the same stated
temperature.
4. Significance and Use
4.1 The relative density of an engine coolant may be used to determine the approximate percent glycol, freezing point, and
boiling point, provided the glycol type is known.
4.2 The relative density of an engine coolant concentrate can be used as a production control test.
5. Apparatus
5.1 Hydrometers—Hydrometers shall be of glass, graduated in specific gravity range as listed in Table 1, and shall conform to
Specification E100.
5.2 Hydrometer Cylinder—The hydrometer cylinder in which the sample for the relative density test is confined shall be made
of clear glass and shall be cylindrical in shape. For convenience in pouring, it may have a lip on the rim. The inside diameter of
the cylinder shall be at least 25.4 mm (1.0 in.) greater than the outside diameter of the hydrometer. The height of the cylinder shall
be such that the length of the column of sample it contains is greater by at least 25.4 mm (1.0 in.) than the portion of the hydrometer
which is immersed beneath the surface of the sample after a state of equilibrium has been reached.
5.3 Temperature Measuring Instrument—(Environmentally safe thermometer or thermocouple). An ASTM Partial Immersion
Thermometer, having a range from –5 to 300°C300 °C and conforming to the requirements for thermometer 2C or 2F, as prescribed
in Specification E1, or some suitable non-mercury containing temperature measuring device, such as a thermocouple, capable of
operating in the same temperature range and having equal or better accuracy as summarized in Specification E230/E230M. See
Section 8, Precision and Bias.
5.4 Water Bath—A water bath capable of maintaining a sample temperature of 15.5 6 0.3°C0.3 °C (60 6 0.5°F)0.5 °F) during
the test.
6. Sampling
6.1 Sample the coolant in accordance with Test Method D1176, except as specified in this test method.
7. Procedure
7.1 If the coolant has a small amount of separated upper layer, remove
...
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