Standard Test Method for Characteristic Groups in Rubber Extender and Processing Oils and Other Petroleum-Derived Oils by the Clay-Gel Absorption Chromatographic Method

SIGNIFICANCE AND USE
The composition of the oil included in rubber compounds has a large effect on the characteristics and uses of the compounds. The determination of the saturates, aromatics, and polar compounds is a key analysis of this composition.
The determination of the saturates, aromatics, and polar compounds and further analysis of the fractions produced is often used as a research method to aid understanding of oil effects in rubber and other uses.
SCOPE
1.1 This test method covers a procedure for classifying oil samples of initial boiling point of at least 260°C (500°F) into the hydrocarbon types of polar compounds, aromatics and saturates, and recovery of representative fractions of these types. This classification is used for specification purposes in rubber extender and processing oils.
Note 1—See Test Method D 2226.  
1.2 This test method is not directly applicable to oils of greater than 0.1 mass % pentane insolubles. Such oils can be analyzed after removal of these materials, but precision is degraded (see Appendix X1).
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 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 6.1, Section 7, A1.4.1, and A1.5.5.

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Publication Date
09-May-2003
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ASTM D2007-03e1 - Standard Test Method for Characteristic Groups in Rubber Extender and Processing Oils and Other Petroleum-Derived Oils by the Clay-Gel Absorption Chromatographic Method
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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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
An American National Standard
´1
Designation:D2007–03
Standard Test Method for
Characteristic Groups in Rubber Extender and Processing
Oils and Other Petroleum-Derived Oils by the Clay-Gel
1
Absorption Chromatographic Method
This standard is issued under the fixed designation D 2007; 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
´ NOTE—Updated cross-references to notes editorially in October 2008.
1. Scope* D 1159 Test Method for Bromine Numbers of Petroleum
Distillates and Commercial Aliphatic Olefins by Electro-
1.1 This test method covers a procedure for classifying oil
metric Titration
samples of initial boiling point of at least 260°C (500°F) into
D 2226 Classification for Various Types of Petroleum Oils
the hydrocarbon types of polar compounds, aromatics and
for Rubber Compounding Use
saturates, and recovery of representative fractions of these
D 5309 Specification for Cyclohexane 999
types. This classification is used for specification purposes in
E 691 Practice for Conducting an Interlaboratory Study to
rubber extender and processing oils.
Determine the Precision of a Test Method
NOTE 1—See Test Method D 2226.
3. Terminology
1.2 This test method is not directly applicable to oils of
3.1 Definitions of Terms Specific to This Standard:
greater than 0.1 mass % pentane insolubles. Such oils can be
analyzed after removal of these materials, but precision is 3.1.1 The following terms refer to the hydrocarbon types
and structural groups as measured by this test method:
degraded (see Appendix X1).
1.3 The values stated in SI units are to be regarded as the 3.1.2 aromatics—material that, on percolation, passes
through a column of adsorbent clay in a n-pentane eluent but
standard. The values given in parentheses are for information
only. adsorbs on silica gel under the conditions specified.
3.1.3 asphaltenes, or n-pentane insolubles—insoluble mat-
1.4 This standard does not purport to address all of the
ter that precipitates from a solution of oil in n-pentane under
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- the specified conditions.
3.1.4 polar aromatics—synonym for polar compounds.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. Specific warning 3.1.5 polar compounds—material retained on adsorbent
clay after percolation of the sample in n-pentane eluent under
statements are given in 6.1, Section 7, A1.4.1, and A1.5.5.
the conditions specified.
2. Referenced Documents
3.1.6 saturates—materialthat,onpercolationina n-pentane
2
2.1 ASTM Standards: eluent, is not adsorbed on either the clay or silica gel under the
D 86 Test Method for Distillation of Petroleum Products at conditions specified.
Atmospheric Pressure
4. Summary of Test Method
D 323 Test Method for Vapor Pressure of Petroleum Prod-
4.1 The sample is diluted with solvent and charged to a
ucts (Reid Method)
glass percolation column containing clay in the upper section
and silica gel plus clay in the lower section. n-pentane is then
1
This test method is under the jurisdiction of ASTM Committee D02 on
charged to the double column until a definite quantity of
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
effluenthasbeencollected.Theupper(clay)sectionisremoved
D02.04.0C on Liquid Chromatography.
from the lower section and washed further with n-pentane. A
Current edition approved May 10, 2003. Published June 2003. Originally
approved in 1968. Last previous edition approved in 2002 as D 2007–02.
toluene-acetone mixture 50 to 50 by volume is then charged to
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
the clay section for desorption and a specified volume of
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
effluent collected. The lower (gel) column may be desorbed by
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. recirculation of toluene.
*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 ----------------------
´1
D2007–03
4.2 The solvents are completely removed from the recov- mouth, graduated, 500-mL capacity Erlenmeyer flask is one
ered n-pentane and the toluene-acetone fractions and the such example that has been found suitable to use.
residues are weighed and calculated as saturate and polar 6.5 Filter Funnel
...

This document is not anASTM standard and is intended only to provide the user of anASTM 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.
An American National Standard
´1
Designation:D2007–02 Designation:D2007–03
Standard Test Method for
Characteristic Groups in Rubber Extender and Processing
Oils and Other Petroleum–-Derived Oils by the
1
Clay–GelClay-Gel Absorption Chromatographic Method
This standard is issued under the fixed designation D 2007; 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.
Paragraphs 7.5 and 7.6 were corrected, and the yeardate was changed per the Editorial Review Board in November 2002.
1
´ NOTE—Updated cross-references to notes editorially in October 2008.
1. Scope*
1.1 This test method covers a procedure for classifying oil samples of initial boiling point of at least 260°C (500°F) into the
hydrocarbon types of polar compounds, aromatics and saturates, and recovery of representative fractions of these types. This
classification is used for specification purposes in rubber extender and processing oils.
NOTE 1—See Test Method D 2226.
1.2 This test method is not directly applicable to oils of greater than 0.1 mass % pentane insolubles. Such oils can be analyzed
after removal of these materials, but precision is degraded (See (see Appendix X1).
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 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 precautionwarning statements are given in 6.1, Section 7, A1.4.1, and A1.5.5.
2. Referenced Documents
2
2.1 ASTM Standards:
D 86 Test Method for Distillation of Petroleum Products at Atmospheric Pressure
D 323 Test Method for Vapor Pressure of Petroleum Products (Reid Method)
D 1159 Test Method for Bromine Numbers of Petroleum Distillates and Commercial Aliphatic Olefins by Electrometric
Titration
D 2226 Classification for Various Types of Petroleum Oils for Rubber Compounding Use
D 5309 Specification for Cyclohexane 999
E 691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 The following terms refer to the hydrocarbon types and structural groups as measured by this test method:
3.1.1.1asphaltenes, or
3.1.2 aromatics—material that, on percolation, passes through a column of adsorbent clay in a n-pentane eluent but adsorbs on
silica gel under the conditions specified.
3.1.3 asphaltenes, or n-pentane insolubles—insoluble matter that precipitates from a solution of oil in n-pentane under the
specified conditions.
3.1.1.2polar compounds
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products and Lubricants and is the direct responsibility of Subcommittee D02.04 on
Hydrocarbon Analysis.
Current edition approved Nov. 11, 2002. Published November 2002. Originally published as D2007–68T. Last previous edition D2007–01a.
1
This test method is under the jurisdiction ofASTM Committee D02 on Petroleum Products and Lubricants and is the direct responsibility of Subcommittee D02.04.0C
on Liquid Chromatography.
Current edition approved May 10, 2003. Published June 2003. Originally approved in 1968. Last previous edition approved in 2002 as D 2007–02.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 05.01.volume information, refer to the standard’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 ----------------------
´1
D2007–03
3.1.4 polar aromatics—synonym for polar compounds.
3.1.5 polar compounds—material retained on adsorbent clay after percolation of the sample in n-pentane eluent under the
conditions specified.
3.1.1.3polar aromatics—synonym for polar compounds.
3.1.1.4aromatics—material that, on percolation, passes through a column of adsorbent clay in a n-pentane eluent but adsorbs on
silica gel under the conditions specified.
3.1.1.
...

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