ASTM D1488-00(2006)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D1488 − 00 (Reapproved2006)
Standard Test Method for
Amylaceous Matter in Adhesives
This standard is issued under the fixed designation D1488; 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 Department of Defense.
1. Scope 6. Reagents
1.1 This test method covers the determination of the pres-
6.1 Iodine Test Solution—Add 5 g (0.18 oz) of iodine and 5
ence or absence of amylaceous (starch-like) material in
g of potassium iodide to 100 mL (3 oz) of distilled water.
phenol-, resorcinol-, and melamine-resin adhesives.
6.2 Acetic Acid—Ethyl Alcohol Solution—Add 20 parts of
1.2 The values stated in SI units are to be regarded as the
glacial acetic acid and 20 parts of 95 % ethyl alcohol to 60
standard. The values given in parentheses are for information
parts of distilled water by volume.
only.
1.3 This standard does not purport to address all of the 7. Sampling
safety concerns, if any, associated with its use. It is the
7.1 Except in special cases, take a composite of the sample
responsibility of the user of this standard to establish appro-
of the adhesive when possible, from three or more separate
priate safety and health practices and determine the applica-
containers, chosen at random. Also, take samples from con-
bility of regulatory limitations prior to use.
tainers that appear to be nonrepresentative, and test such
samples separately. Before a sample is taken, thoroughly mix
2. Referenced Documents
the contents of the container if there is a tendency for the
2.1 ASTM Standards:
materials to separate. Place the samples immediately in airtight
D907 Terminology of Adhesives
containers and transport to the testing laboratory in these
containers.Take precautions to reduce evaporation or drying to
3. Terminology
a minimum.
3.1 Definitions— Many terms in this test method are defined
in Terminology D907.
8. Procedure
8.1 Phenol and Resorcinol Adhesives—Weigh 0.5 g (0.018
4. Summary of Test Method
oz) of thoroughly mixed adhesive into a small-diameter test
4.1 A reagent solution is added to the adhesive in question
tube. Add 5 mL (0.15 oz) of 95 % ethyl alcohol. Shake
which causes any starch-like material to become insoluble.The
thoroughly, allow the insoluble matter to settle, and decant the
resultant material then changes color when another reagent is
supernatant liquid. Repeat twice more with the ethyl alcohol
added if any starch-like matter is present.
and three times with distilled water.After the final decantation,
add one drop of the iodine solution to the residue.Adarkening
5. Significance and Use
of the residue denotes a positive test for the presence of
5.1 This test method is used to determine if a melamine
amylaceous matter.
resin, a phen
...