ASTM D1120-94(1998)e1

Standard Test Method for Boiling Point of Engine Coolants

SCOPE
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 Test Method D 1176.
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.

General Information

• Status: Historical
• Publication Date: 14-Jul-1994
• ICS: 71.100.45 - Refrigerants and antifreezes
• Technical Committee: D15 - Engine Coolants and Related Fluids
• Drafting Committee: D15.03 - Physical Properties

Relations

• Replaces: ASTM D1120-94(1998) - Standard Test Method for Boiling Point of Engine Coolants
• Effective Date: 15-Jul-1994
• Replaced By: ASTM D1120-94(2004) - Standard Test Method for Boiling Point of Engine Coolants
• Effective Date: 01-May-2004
• Referred By: ASTM D7714-11(2021) - Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty Service
• Effective Date: 15-Jul-1994
• Referred By: ASTM D3306-21 - Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
• Effective Date: 15-Jul-1994
• Referred By: ASTM D3585-08(2020) - Standard Specification for ASTM Reference Fluid for Coolant Tests
• Effective Date: 15-Jul-1994
• Referred By: ASTM D7518-20 - Standard Specification for 1,3 Propanediol (PDO) Base Engine Coolant for Automobile and Light-Duty Service
• Effective Date: 15-Jul-1994
• Referred By: ASTM D4985-10(2023) - Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)
• Effective Date: 15-Jul-1994
• Referred By: ASTM D8085-17 - Standard Specification for Non-Aqueous Engine Coolant for Automobile and Light-Duty Service
• Effective Date: 15-Jul-1994

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
e1
Designation: D 1120 – 94 (Reapproved 1998)
Standard Test Method for
Boiling Point of Engine Coolants
This standard is issued under the fixed designation D 1120; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
e NOTE—The last sentence was added to 4.3 editorially in May 2003.
1. Scope 4. Apparatus (Fig. 1)
1.1 This test method covers the determination of the equi- 4.1 Flask—A 100-mL round-bottom, short-neck, heat-
librium boiling point of engine coolants. The equilibrium resistant glass flask having a neck with a ⁄38 standard-taper,
boiling point indicates the temperature at which the sample will female ground-glass joint and a 10-mm (0.4-in) outside diam-
start to boil in a cooling system under equilibrium conditions at eter side-entering tube, so located as to permit the end of the
atmospheric pressure. thermometer bulb to be directly centered in the flask 6.5 mm
(0.26 in.) from the bottom. The flask is shown in Fig. 2.
NOTE 1—Engine coolants may also be marketed in a ready-to-use form
4.2 Condenser—The condenser shall be of the water-
(prediluted). This test procedure is applicable to diluted solutions as well
cooled, reflux, glass-tube type, having a condenser jacket 200
as to concentrates.
mm (7.9 in.) in length. The bottom end of the condenser shall
NOTE 2—The procedure for obtaining a representative test sample of a
coolant solution that contains an antileak additive is found in Test Method
have a ⁄38 standard-taper, drip-tip, male ground-glass joint.
D 1176.
4.3 Boiling Stones— Three or four silicon carbide grains,
grit No. 8 or other suitable inert chips, shall be used for each
1.2 The values stated in SI units are to be regarded as
determination. For samples exhibiting heavy foam, more
standard. The values given in parentheses are for information
boiling chips may be added.
only.
4.4 Thermometer— An ASTM Partial Immersion Ther-
1.3 This standard does not purport to address all of the
mometer, having a range from − 5 to + 300°C (20 to 580°F)
safety concerns, if any, associated with its use. It is the
and conforming to the requirements for Thermometer 2C or 2F,
responsibility of the user of this standard to establish appro-
as prescribed in Specification E 1.
priate safety and health practices and determine the applica-
4.5 Heat Source— A suitable electric heating mantle shall
bility of regulatory limitations prior to use.
be used, such that sufficient heat can be obtained to comply
2. Referenced Documents
with the heating and refluxing rates specified in Section 7.
2.1 ASTM Standards:
5. Sample
D 1176 Test Method for Sampling and Preparing Aqueous
5.1 To obtain a sample of unused concentrated coolant for
Solutions of Engine Coolants or Antirusts for Testing
boiling point determination, the following procedure is sug-
Purposes
gested:
E 1 Specification for ASTM Thermometers
5.1.1 Allow material as received in the original container to
3. Summary of Test Method
come to room temperature (20°C (68° F) but not below 20°C
minimum).
3.1 Sixty millilitres (two ounces) of the sample are boiled
under equilibrium conditions at atmospheric pressure in a 5.1.2 Shake the container to mix any material that may have
separated.
100-mL flask. The temperature of the liquid corrected for
barometric pressure is the boiling point. 5.1.3 Immediately remove desired sample for test require-
ment.
This test method is under the jurisdiction of ASTM Committee D-15 on Engine
Coolants and is the direct responsibility of Subcommittee D15.03 on Physical
Properties. The short-neckflask shown in Fig. 2 can be purchased from S.G. & P. Inc., PO
Current edition approved July 15, 1994. Published September 1994. Originally Box 2518, Freeport, TX 77541, Tel: [phone], or Ace Glass Inc., 1430
published as D 1120 – 50 T. Last previous edition D 1120 – 93. Northwest Blvd., Vineland, NJ 08360, Tel: [phone].
2 5
Annual Book of ASTM Standards, Vol 15.05. Silicon carbide grains, grit No. 8, may be obtained from Electro Minerals Co.
Annual Book of ASTM Standards, Vol 14.03. (US) Inc. P.O. Box 423 Niagara Falls, NY 14302. Product No: 1242-0008-3-8RA.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
e1
D 1120 – 94 (1998)
6.4 Attach the chemically cleaned condenser to the flask and
mount the flask in an appropriate heating mantle. Support the
glassware by a laboratory-type ring support and stand. The
whole assembly is held in place by a clamp. Connect the
cooling water inlet and outlet tubes to the condenser.
7. Procedure
7.1 When assembled as shown in Fig. 1
...