ASTM D1119-05(2015)
(Test Method)Standard Test Method for Percent Ash Content of Engine Coolants
Standard Test Method for Percent Ash Content of Engine Coolants
SIGNIFICANCE AND USE
5.1 This test method is designed to aid in identifying types of coolants. While the ash is primarily due to the inorganic inhibitors used, it is not a measure of the total inhibitor concentration because of the loss of organic inhibitors.
5.2 An ash content greater than that stated in Specification D3306 may indicate a salt-based product.
SCOPE
1.1 This test method covers the determination of ash content after ignition of commercial engine coolants and antirusts, as packaged or after use.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific warning statements are given in 7.1 and 7.3.
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Designation: D1119 − 05 (Reapproved 2015)
Standard Test Method for
Percent Ash Content of Engine Coolants
This standard is issued under the fixed designation D1119; 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.
1. Scope inhibitors used, it is not a measure of the total inhibitor
concentration because of the loss of organic inhibitors.
1.1 Thistestmethodcoversthedeterminationofashcontent
after ignition of commercial engine coolants and antirusts, as
5.2 An ash content greater than that stated in Specification
packaged or after use.
D3306 may indicate a salt-based product.
1.2 The values stated in SI units are to be regarded as
6. Apparatus
standard. No other units of measurement are included in this
standard.
6.1 Crucible, high-silica glass, porcelain, or platinum of
1.3 This standard does not purport to address all of the
50-mL capacity, equipped with cover.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
7. Procedure
priate safety and health practices and determine the applica-
7.1 Ignite the crucible and cover over a Meker burner for 5
bility of regulatory limitations prior to use. Specific warning
minandallowtocooltoroomtemperatureinadesiccator;then
statements are given in 7.1 and 7.3.
weigh to the nearest 0.1 mg. (Warning—When handling a hot
2. Referenced Documents crucibleusepropercautionandsafetyequipmentsuchassafety
2 glasses, gloves, tongs, etc.)
2.1 ASTM Standards:
D1176 Practice for Sampling and Preparing Aqueous Solu- 7.2 Weigh 20 6 0.1 g of well-mixed coolant (Note 1),
including all phases, into the crucible. Sample in accordance
tions of Engine Coolants orAntirusts forTesting Purposes
D3306 Specification for Glycol Base Engine Coolant for with Test Method D1176. Record the weight of the sample to
the nearest 0.1 mg.
Automobile and Light-Duty Service
NOTE 1—The weight of sample taken is suitable for most commercial
3. Terminology
products. If there is reason to believe that the ash content may be high, the
3.1 Definitions of Terms Specific to This Standard:
sample size may be decreased to 5 or 10 6 0.1 g.
3.1.1 ash, n—the components of an engine coolant not
7.3 Place the covered crucible in a cool small sand bath in
removed by ignition at 750°C.
a vented hood. Raise the temperature by any convenient means
4. Summary of Test Method until the liquid is evaporated. If the sample ignites, remove the
heat source until the burning ceases; then reapply the heat.
4.1 To determine the ash content, the coolant is weighed,
(Warning—Many types of coolant have tendencies to spatter
evaporated or charred, and finally ignited at a strong heat.
upon heating, with consequent loss of sample and erroneous
5. Significance and Use results. All precautions consistent with good laboratory prac-
tice should be followed.) (Warning—Avoid inhalation of the
5.1 This test method is designed to aid in identifying types
fumes.)
of coolants. While the ash is primarily due to the inorganic
7.4 When the crucible appears dry, transfer the crucible to a
This test method is under the jurisdiction ofASTM Committee D15 on Engine
support over a Meker-type burner. Ignite strongly at red heat
Coolants and Related Fluids and is the direct responsibility of Subcommittee
u
...
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.
Designation: D1119 − 05 (Reapproved 2009) D1119 − 05 (Reapproved 2015)
Standard Test Method for
Percent Ash Content of Engine Coolants
This standard is issued under the fixed designation D1119; 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.
1. Scope
1.1 This test method covers the determination of ash content after ignition of commercial engine coolants and antirusts, as
packaged or after use.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 and health practices and determine the applicability of regulatory
limitations prior to use. Specific warning statements are given in 7.1 and 7.3.
2. Referenced Documents
2.1 ASTM Standards:
D1176 Practice for Sampling and Preparing Aqueous Solutions of Engine Coolants or Antirusts for Testing Purposes
D3306 Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 ash, n—the components of an engine coolant not removed by ignition at 750°C.
4. Summary of Test Method
4.1 To determine the ash content, the coolant is weighed, evaporated or charred, and finally ignited at a strong heat.
5. Significance and Use
5.1 This test method is designed to aid in identifying types of coolants. While the ash is primarily due to the inorganic inhibitors
used, it is not a measure of the total inhibitor concentration because of the loss of organic inhibitors.
5.2 An ash content greater than that stated in Specification D3306 may indicate a salt-based product.
6. Apparatus
6.1 Crucible, high-silica glass, porcelain, or platinum of 50-mL capacity, equipped with cover.
7. Procedure
7.1 Ignite the crucible and cover over a Meker burner for 5 min and allow to cool to room temperature in a desiccator; then
weigh to the nearest 0.1 mg. (Warning—When handling a hot crucible use proper caution and safety equipment such as safety
glasses, gloves, tongs, etc.)
7.2 Weigh 20 6 0.1 g of well-mixed coolant (Note 1), including all phases, into the crucible. Sample in accordance with Test
Method D1176. Record the weight of the sample to the nearest 0.1 mg.
This test method is under the jurisdiction of ASTM Committee D15 on Engine Coolants and Related Fluids and is the direct responsibility of Subcommittee D15.04 on
Chemical Properties.
Current edition approved Nov. 1, 2009May 1, 2015. Published December 2009June 2015. Originally approved in 1950. Last previous edition approved in 20052009 as
D1119 – 05.D1119 – 05 (2009). DOI: 10.1520/D1119-05R09.10.1520/D1119-05R15.
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’s Document Summary page on the ASTM website.
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