ASTM D5040-90(2011)

Standard Test Methods for Ash Content of Adhesives

SIGNIFICANCE AND USE
This test method measures the amount of inorganic material in the sample.
SCOPE
1.1 These test methods cover procedures used in determining the ash content of adhesives. This standard is intended as a replacement for Method 4032.1 of Federal Test Method Standard 175B, “Adhesives: Methods of Testing.”
1.2 Two test methods are used:
1.2.1 Test Method A  is used for a starch adhesive or other type glue, where there is no danger from the non-volatile content forming a rubbery mass when ignited.
1.2.2 Test Method B  employs nitric acid to avoid the non-volatile residue being transformed into a viscous foam when ignited.
1.3 These methods are not applicable to adhesives containing decomposable salts such as zinc chloride.
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.5 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. For a specific hazard statement, see 9.2.3.

General Information

• Status: Historical
• Publication Date: 31-Mar-2011
• ICS: 83.180 - Adhesives
• Technical Committee: D14 - Adhesives
• Drafting Committee: D14.10 - Working Properties

Relations

• Replaces: ASTM D5040-90(2005) - Standard Test Methods for Ash Content of Adhesives
• Effective Date: 01-Apr-2011

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
Designation: D5040 − 90 (Reapproved2011)
Standard Test Methods for
Ash Content of Adhesives
This standard is issued under the fixed designation D5040; 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 3. Terminology
1.1 These test methods cover procedures used in determin-
3.1 Definitions—Definitions of terms in this standard may
ing the ash content of adhesives. This standard is intended as a be found in Terminology D907.
replacement for Method 4032.1 of Federal Test Method Stan-
dard 175B, “Adhesives: Methods of Testing.”
4. Summary of Test Methods
1.2 Two test methods are used:
4.1 Ash content of adhesive materials is determined by
1.2.1 Test Method A is used for a starch adhesive or other
heating a sample of material to remove all of the volatile
type glue, where there is no danger from the non-volatile
components. Complete oxidation and removal of all carbona-
content forming a rubbery mass when ignited.
ceous material may be enhanced by the addition of concen-
1.2.2 Test Method B employs nitric acid to avoid the
trated HNO . The general method of burning the residual ash
non-volatile residue being transformed into a viscous foam
in a muffle furnace at 600 6 25°C (1112 6 45°F) for8hor
when ignited.
until constant weight, is used.
1.3 These methods are not applicable to adhesives contain-
5. Significance and Use
ing decomposable salts such as zinc chloride.
5.1 This test method measures the amount of inorganic
1.4 The values stated in SI units are to be regarded as the
material in the sample.
standard. The values given in parentheses are for information
only.
6. Apparatus
1.5 This standard does not purport to address all of the
6.1 Crucible, porcelain, silica or platinum with a tightly
safety concerns, if any, associated with its use. It is the
fitting lid, having a capacity of 30 to 45 mL.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
6.2 Evaporating Dish, porcelain, silica, or platinum, with a
bility of regulatory limitations prior to use. For a specific
capacity of 150 mL.
hazard statement, see 9.2.3.
6.2.1 Watch Glasses to cover evaporating dishes.
6.3 Desiccator, equipped with drying agent and tray.
2. Referenced Documents
6.4 Analytical Balance, sensitive to 1 mg.
2.1 ASTM Standards:
D301 Test Methods for Soluble Cellulose Nitrate (With-
6.5 Steam Bath.
drawn 2011)
6.6 Drying Oven, with temperature control for maintaining
D907 Terminology of Adhesives
temperature at 100 to 105°C (212 to 221°F).
D2415 Test Method for Ash in Coal Tar and Pitch
6.7 Electric Hotplate.
1 6.8 Muffle Furnace, for igniting crucibles containing test
These test methods are under the jurisdiction of ASTM Committee D14 on
Adhesives and are the direct responsibility of Subcommittee D14.10 on Working specimens. Capable of maintaining desired temperature regu-
Properties.
lation (6006 25°C (1112 6 45°F)).
Current edition approved April 1, 2011. Published April 2011. Originally
approved in 1990. Last previous edition approved in 2005 as D5040 – 90 (2005).
7. Reagents
DOI: 10.1520/D5040-90R11.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
7.1 Nitric Acid (HNO ), concentrated, sp gr 1.42.
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
8. Test Specimens
The last approved version of this historical standard is referenced on
www.astm.org. 8.1 For each test, use 5 to6gof material.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D5040 − 90 (2011)
8.2 The specimen being tested should represent the entire C ,% 5 W /W 3100
A 1 2
lot of material. Two specimens shall be taken for testing from
where:
each sample unit.
W = weight of ash, and
9. Procedure W = weight of test specimen.
9.1 Test Method A—Place a 5.0 6 0.5-g test specimen in an
10.2 Test Method B:
ignited and tared crucible and evaporate to dryness on a steam
10.2.1 Calculate non-volatile content, C , in the specimen
N
bath. Cool in a desiccator and weigh accurately. Heat the
as follows:
crucible and its contents in a muffle furnace, graduall
...