ASTM D2349-90(1997)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
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Designation: D 2349 – 90 (Reapproved 1997)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for Qualitative Determination of
Nature of Solvent Composition in Solvent-Reducible Paints
This standard is issued under the fixed designation D 2349; 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.
1. Scope to Type IV of Specification D 1193.
4.3 Antimony Pentachloride (SbCl ).
1.1 This test method covers the determination of the nature
4.4 Chloroform.
of solvent in solvent-reducible house paints containing only
4.5 Nitric Acid (sp gr 1.42)—Concentrated nitric acid
hydrocarbon solvents.
(HNO ).
1.2 This standard does not purport to address the safety
4.6 Sulfuric Acid (sp gr 1.84)—Concentrated sulfuric acid
concerns, if any, associated with its use. It is the responsibility
(H SO ).
of the user of this standard to establish appropriate safety and 2 4
health practices and determine the applicability of regulatory
5. Preparation of Sample
limitations prior to use.
5.1 Mix and prepare the sample in accordance with Methods
2. Referenced Documents D 215.
2.1 ASTM Standards:
6. Nature of Solvent
D 215 Practice for Chemical Analysis of White Linseed Oil
2 6.1 Transfer approximately 150 g of the paint to a 500-mL
Paints
3 flask fitted with a 2-hole cork stopper carrying a spray trap
D 233 Test Methods of Sampling and Testing Turpentine
4 connected with a suitable condenser. Through the other hole in
D 1193 Specification for Reagent Water
the stopper pass an influx tube for steam. (This tube should dip
3. Significance and Use below the surface of the paint.) Heat the flask in an oil or air
bath at 100°C and pass through it a current of steam; with the
3.1 This test method provides a procedure for determining
steam still passing through, raise the temperature of the bath to
qualitatively the composition of solvent in paints containing
130°C. Catch the distillate in a small separatory funnel;
only hydrocarbon solvents.
continue distillation until 300 mL of water have been obtained.
4. Reagents Portions of this water may be drawn from the cock of the
separatory funnel from time to time, but care must be taken not
4.1 Purity of Reagents—Reagent grade chemicals shall be
to draw out any of the volatile solvent.
used in all tests. Unless otherwise indicated, it is intended that
6.2 Let the distillate stand until it separates into two layers,
all reagents shall conform to the specifications of the Commit-
then draw off the water and filter the volatile solvent through a
tee on Analytical Reagents of the American Chemical Society,
dry filter paper into a dry flask. If the solvent is apparently
where such specifications are available. Other grades may be
turpentine, examine the distillate in accordance with Color,
used, provided it is first ascertained that the reagent is of
Odor, Specific Gravity, Refractive Index and Distillation sec-
sufficiently high purity to permit its use without lessening the
tions of Methods D 233. If the solvent is a mixture of
accuracy of the determination.
turpentine and petroleum spirits, an approximate de
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