ASTM D5827-22
(Test Method)Standard Test Method for Analysis of Engine Coolant for Chloride and Other Anions by Ion Chromatography
Standard Test Method for Analysis of Engine Coolant for Chloride and Other Anions by Ion Chromatography
SIGNIFICANCE AND USE
4.1 This test method provides for the qualitative and quantitative determination of common anions in engine coolant in the milligrams per litre to low percent range and requires only a few millilitres or microlitres of sample per test, with results available in less than 30 min. Acceptable levels of chloride and other anions vary with manufacturer's blending specifications and applicable ASTM minimum or maximum specifications.
SCOPE
1.1 This test method covers the chemical analysis of engine coolant for chloride ion by high-performance ion chromatography (HPIC). Several other common anions found in engine coolant can be determined in one chromatographic analysis by this test method.
1.2 This test method is applicable to both new and used engine coolant.
1.3 Coelution of other ions may cause interferences for any of the listed anions. In the case of unfamiliar formulations, identification verification should be performed by either or both fortification and dilution of the sample matrix with the anions of interest.
1.4 Analysis can be performed directly by this test method without pretreatment, other than dilution, as required by the linear ranges of the equipment. Table 1 indicates several applicable anions and approximate detection limits.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 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 its use.
1.7 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.
General Information
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Standards Content (Sample)
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.
Designation: D5827 − 22
Standard Test Method for
Analysis of Engine Coolant for Chloride and Other Anions
1
by Ion Chromatography
This standard is issued under the fixed designation D5827; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 This test method covers the chemical analysis of engine
D1193Specification for Reagent Water
coolant for chloride ion by high-performance ion chromatog-
D1176Practice for Sampling and Preparing Aqueous Solu-
raphy (HPIC). Several other common anions found in engine
tionsofEngineCoolantsorAntirustsforTestingPurposes
coolant can be determined in one chromatographic analysis by
E691Practice for Conducting an Interlaboratory Study to
this test method.
Determine the Precision of a Test Method
1.2 This test method is applicable to both new and used E177Practice for Use of the Terms Precision and Bias in
engine coolant. ASTM Test Methods
1.3 Coelution of other ions may cause interferences for any
3. Summary of Test Method
of the listed anions. In the case of unfamiliar formulations,
3.1 A small volume of working sample is prepared by
identification verification should be performed by either or
dilution of the sample with the method eluant. This diluted
both fortification and dilution of the sample matrix with the
sample is filtered and pumped through two ion exchange
anions of interest.
columnsandasuppressorandintoaconductivitydetector.Ions
are separated based on their affinity for exchange sites of the
1.4 Analysis can be performed directly by this test method
resin with respect to the resin’s affinity for the eluant. The
without pretreatment, other than dilution, as required by the
suppressor increases the sensitivity of the method by both
linear ranges of the equipment. Table 1 indicates several
increasing the conductivity of the analytes and decreasing the
applicable anions and approximate detection limits.
conductivity of the eluant. The suppressor converts the eluant
1.5 The values stated in SI units are to be regarded as and the analytes to the corresponding hydrogen form acids.
standard. No other units of measurement are included in this Anions are quantitated by integration of their response com-
pared with an external calibration curve and are reported as
standard.
milligrams per litre (mg/L).
1.6 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Significance and Use
responsibility of the user of this standard to establish appro-
4.1 This test method provides for the qualitative and quan-
priate safety, health, and environmental practices and deter-
titative determination of common anions in engine coolant in
mine the applicability of regulatory limitations prior to its use.
the milligrams per litre to low percent range and requires only
1.7 This international standard was developed in accor-
a few millilitres or microlitres of sample per test, with results
dance with internationally recognized principles on standard-
availableinlessthan30min.Acceptablelevelsofchlorideand
ization established in the Decision on Principles for the
other anions vary with manufacturer’s blending specifications
Development of International Standards, Guides and Recom-
and applicable ASTM minimum or maximum specifications.
mendations issued by the World Trade Organization Technical
5. Interferences
Barriers to Trade (TBT) Committee.
5.1 Interferences can be caused by substances with similar
retention times, especially if they are in high concentration
1
This test method is under the jurisdiction ofASTM Committee D15 on Engine
Coolants and Related Fluids and is the direct responsibility of Subcommittee
2
D15.04 on Chemical Properties. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved June 1, 2022. Published June 2022. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1995. Last previous edition approved in 2015 as D5827–09(2015). Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/D5827-22. 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
---------------------- Page: 1 ----------------------
D5827 − 22
TABLE 1 Analytes and Minimum De
...
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: D5827 − 09 (Reapproved 2015) D5827 − 22
Standard Test Method for
Analysis of Engine Coolant for Chloride and Other Anions
1
by Ion Chromatography
This standard is issued under the fixed designation D5827; 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.
1. Scope*
1.1 This test method covers the chemical analysis of engine coolant for chloride ion by high-performance ion chromatography
(HPIC). Several other common anions found in engine coolant can be determined in one chromatographic analysis by this test
method.
1.2 This test method is applicable to both new and used engine coolant.
1.3 Coelution of other ions may cause interferences for any of the listed anions. In the case of unfamiliar formulations,
identification verification should be performed by either or both fortification and dilution of the sample matrix with the anions of
interest.
1.4 Analysis can be performed directly by this test method without pretreatment, other than dilution, as required by the linear
ranges of the equipment. Table 1 indicates several applicable anions and approximate detection limits.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to its use.
1.7 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
2.1 ASTM Standards:
D1193 Specification for Reagent Water
D1176 Practice for Sampling and Preparing Aqueous Solutions of Engine Coolants or Antirusts for Testing Purposes
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
1
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 May 1, 2015June 1, 2022. Published June 2015June 2022. Originally approved in 1995. Last previous edition approved in 20092015 as
ε1
D5827D5827–09(2015).-09 . DOI: 10.1520/D5827-09R15.10.1520/D5827-22.
2
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
---------------------- Page: 1 ----------------------
D5827 − 22
TABLE 1 Analytes and Minimum Detection Limits
A
Analyte Detection Limit, mg/L
−
Chloride (Cl ) 2.0
−
Nitrite (NO ) 5.0
2
Bromide (Br) 4.0
−
Nitrate (NO ) 7.1
3
2−
o-Phosphate (HPO ) 20.0
4
2−
Sulfate (SO ) 8.0
4
2−
Oxalate (C O ) 12.0
2 4
A
Determined using 100-μL100 μL sample volume. Sample diluted 99 + 1 (v/v)
with chromatographic eluant 30-μS/cm30 μS ⁄cm full scale, suppressed conduc-
tivity detection. Dionex AS4ASC column with AG4ASC guard columns. Other
systems will require MDL determinations using chosen dilution factors, eluants,
columns, and detector.
3. Summary of Test Method
3.1 A small volume of working sample is prepared by dilution of the sample with the method eluant. This diluted sample is filtered
and pumped through two ion exchange columns and a suppressor and into a conductivity detector. Ions are separated based on their
affinity for exchange sites of the resin with respect to the resin’sresin’s affinity for the eluant. The suppressor increases the
sensitivity of the method by both increasing the conductivity of the analytes and decreasing the conductivity of the eluant. The
suppressor converts the eluant and the
...
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