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ASTM D269-97(2006)

(Test Method)

Standard Test Method for Insoluble Matter in Rosin and Rosin Derivatives

Standard Test Method for Insoluble Matter in Rosin and Rosin Derivatives

SIGNIFICANCE AND USE
Rosin, particularly gum and wood rosin, occasionally contains small amounts of contamination such as sand, dirt or bark. Rosin derivatives occasionally contain traces of insoluble material as a result of the raw materials used in their production or they may be generated during the production process. In all instances the presence of such insoluble material should be minimal. This test method describes a rapid and reliable procedure for determining the amount of such insoluble matter. It is based on the knowledge that rosin and most of its derivatives are soluble in numerous organic solvents whereas most common contaminants are not. It is especially useful for internal quality control rather than sales specifications.
SCOPE
1.1 This test method covers the determination of the amount of insoluble matter in rosin and rosin derivatives as described in Terminology D 804.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety problems, 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
31-Oct-2006
ICS
87.060.20 - Binders
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.34 - Pine Chemicals and Hydrocarbon Resins
Current Stage
Ref Project

Relations

Replaces
ASTM D269-97(2002) - Standard Test Method for Insoluble Matter in Rosin and Rosin Derivatives
Effective Date
01-Nov-2006
Replaced By
ASTM D269-97(2011) - Standard Test Method for Insoluble Matter in Rosin and Rosin Derivatives
Effective Date
01-Nov-2006
Referred By
ASTM D803-15(2020) - Standard Test Methods for Testing Tall Oil
Effective Date
01-Nov-2006
Referred By
ASTM B32-20 - Standard Specification for Solder Metal
Effective Date
01-Nov-2006

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ASTM D269-97(2006) - Standard Test Method for Insoluble Matter in Rosin and Rosin DerivativesASTM D269-97(2006) - Standard Test Method for Insoluble Matter in Rosin and Rosin Derivatives
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ASTM D269-97(2006) - Standard Test Method for Insoluble Matter in Rosin and Rosin Derivatives
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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
Designation:D269–97(Reapproved2006)
Standard Test Method for
Insoluble Matter in Rosin and Rosin Derivatives
This standard is issued under the fixed designation D269; 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 most common contaminants are not. It is especially useful for
internal quality control rather than sales specifications.
1.1 This test method covers the determination of the amount
of insoluble matter in rosin and rosin derivatives as described
4. Apparatus
in Terminology D804.
4.1 Beaker, 800 mL.
1.2 The values stated in SI units are to be regarded as the
4.2 Magnetic Stirring Hot Plate with Polytetrafluoroethyl-
standard. The values given in parentheses are for information
ene (PTFE) Stirbar, or hot plate with manual stirring rod.
only.
4.3 Precut Stainless Steel Circular Screen, 325 mesh with
1.3 This standard does not purport to address all of the
0.0014-in. wire diameter. (44-µm openings) as described in
safety problems, if any, associated with its use. It is the
Specification E11.
responsibility of the user of this standard to establish appro-
4.4 Two-Piece Filter Apparatus, appropriate to hold the
priate safety and health practices and determine the applica-
stainless steel screens without leaking.
bility of regulatory limitations prior to use.
4.5 Analytical Balance, capable of weighing 0.0001 g.
2. Referenced Documents 4.6 Laboratory Tweezers.
4.7 Forced Draft Oven.
2.1 ASTM Standards:
D804 Terminology Relating to Naval Stores, Including Tall
5. Reagents
Oil and Related Products
5.1 Clean Toluene, Hexane, Mineral Spirits, or other suit-
E11 SpecificationforWovenWireTestSieveClothandTest
able solvent for the specific material to be checked in, as
Sieves
agreed upon between the customer and the supplier.
3. Significance and Use
6. Procedure
3.1 Rosin, particularly gum and wood rosin, occasionally
6.1 Rinse the pre-cut screen thoroughly with the solvent to
contains small amounts of contamination such as sand, dirt or
clean it before use.
bark. Rosin derivatives occasionally contain traces of insoluble
6.1.1 Dry the clean screen at 105 to 110°C for 30 min, cool
materialasaresultoftherawmaterialsusedintheirproduction
in a desiccator, and weigh.
or they may be generated during the production process. In all
6.1.2 Record the weight of the dry screen to the nearest
instances the presence of such insoluble material should be
0.0001 g.
minimal. This test method describes a rapid and reliable
6.1.3 Place the screen in the filter apparatus and secure it to
procedure for determining the amount of such insoluble matter.
prevent leakage.
It is based on the knowledge that rosin and most of its
derivatives are soluble in numerous organic solvents whereas
NOTE 1—Always use tweezers when handling the pre-cut screen.
6.2 Weigh 100 6 0.1 g of freshly powdered material to be
tested into an 800-mL beaker. Add 150 m
...

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3.1 This test method is designed to broaden the scope of the previous edition of the test method by the inclusion of tall oil and tall oil derived from products as test materials. Test Methods D803 currently includes a method for the determination of unsaponifiable matter.  
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1.1 This test method covers the determination of the percentage of material in pine chemicals products as defined in Terminology D804 including rosin, tall oil, and related products, other than insoluble dirt or similar visible foreign matter that does not yield a water-soluble soap when the sample is saponified with potassium hydroxide.  
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Note 1: It has been reported that this method may not be applicable to gum rosin, especially any gum rosin containing volatile terpenes. Volatile terpenes are by definition unsaponifiable matter, and can be lost under the drying conditions described in 8.4. The method is applicable to tall oil rosin and wood rosin as these rosins do not contain volatile terpenes.  
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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