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ASTM D718-86(2020)

(Test Method)

Standard Test Methods for Analysis of Aluminum Silicate Pigment

Standard Test Methods for Analysis of Aluminum Silicate Pigment

SIGNIFICANCE AND USE
3.1 These test methods may be used to confirm the stated aluminum oxide and SiO2 content of aluminum silicate for quality control.
SCOPE
1.1 These test methods cover the analysis of aluminum silicate pigment.  
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 concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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.

General Information

Status
Published
Publication Date
31-May-2020
ICS
87.060.10 - Pigments and extenders
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.31 - Pigment Specifications
Current Stage
Ref Project

Relations

Refers
ASTM D717-86(2020) - Standard Test Methods for Analysis of Magnesium Silicate Pigment
Effective Date
01-Jun-2020
Referred By
ASTM D1199-86(2020) - Standard Specification for Calcium Carbonate Pigments
Effective Date
01-Jun-2020

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ASTM D718-86(2020) - Standard Test Methods for Analysis of Aluminum Silicate PigmentASTM D718-86(2020) - Standard Test Methods for Analysis of Aluminum Silicate Pigment
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ASTM D718-86(2020) - Standard Test Methods for Analysis of Aluminum Silicate Pigment
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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.
Designation: D718 − 86 (Reapproved 2020)
Standard Test Methods for
1
Analysis of Aluminum Silicate Pigment
This standard is issued under the fixed designation D718; 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 E11 Specification for Woven Wire Test Sieve Cloth and Test
Sieves
1.1 These test methods cover the analysis of aluminum
silicate pigment.
3. Significance and Use
1.2 The values stated in SI units are to be regarded as the
3.1 These test methods may be used to confirm the stated
standard. The values given in parentheses are for information
aluminum oxide and SiO content of aluminum silicate for
2
only.
quality control.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Apparatus
responsibility of the user of this standard to establish appro-
4.1 Platinum Crucible.
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
4.2 Electric furnace (or gas burner), capable of 1050 to
1.4 This international standard was developed in accor-
1100°C.
dance with internationally recognized principles on standard-
4.3 Volumetric flask, 100 and 250 mL.
ization established in the Decision on Principles for the
4.4 Colorimeter, with transmission range from 400 to 550
Development of International Standards, Guides and Recom-
nm.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
4.5 High Silica Crucible.
2. Referenced Documents
5. Purity of Reagents
2
2.1 ASTM Standards:
5.1 Reagent grade chemicals shall be used in all tests.
3
D234 Specification for Raw Linseed Oil (Withdrawn 2007)
Unless otherwise indicated, it is intended that all reagents shall
D280 Test Methods for Hygroscopic Moisture (and Other
conform to the specifications of the Committee on Analytical
4
Matter Volatile Under the Test Conditions) in Pigments
Reagents of the American Chemical Society, where such
D717 Test Methods for Analysis of Magnesium Silicate
specifications are available. Other grades may be used, pro-
Pigment
vided it is first ascertained that the reagent is of sufficiently
D1193 Specification for Reagent Water
high purity to permit its use without lessening the accuracy of
D1208 Test Methods for Common Properties of Certain
the determination.
Pigments
5.2 Unless otherwise indicated, references to water shall be
D2448 Test Method for Water-Soluble Salts in Pigments by
understood to mean Type II of Specification D1193.
Measuring the Specific Resistance of the Leachate of the
Pigment
SILICON DIOXIDE
6. Procedure
1
These test methods are under the jurisdiction of ASTM Committee D01 on
6.1 Determine the silicon dioxide content in accordance
Paint and Related Coatings, Materials, and Applications and are the direct
with Test Methods D717.
responsibility of Subcommittee D01.31 on Pigment Specifications.
Current edition approved June 1, 2020. Published June 2020. Originally
approved in 1943. Last previous edition approved in 2014 as D718 – 86 (2014).
DOI: 10.1520/D0718-86R20.
2 4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or ACS Reagent Chemicals, Specifications and Procedures for Reagents and
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standard-Grade Reference Materials, American Chemical Society, Washington,
Standards volume information, refer to the standard’s Document Summary page on DC. For suggestions on the testing of reagents not listed by theAmerican Chemical
the ASTM website. Society, see Analar Standards for Laboratory Chemicals, BDH Ltd., Poole, Dorset,
3
The last approved version of this historical standard is referenced on U.K., and the United States Pharmacopeia and National Formulary, U.S. Pharma-
www.astm.org. copeial Convention, Inc. (USPC), Rockville, MD.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D718 − 86 (2020)
ALUMINUM OXIDE 8. Procedure
8.1 If an appreciable residue remains after the treatment
7. Reagents
withHFinaccordancewith7.4ofTestMethodsD717,fusethe
7.1 Ammonium Acetate (20 %)—Dissolve 200 g of ammo-
residue with a small amount of K S O until it is dissolved.
2 2 7
nium acetate (NH C H O ) in 1 L of distilled water.
Leach the pyrosulfate melt out of the crucible with water and
4 2 3 2
combine
...

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ASTM  
Method  
Refer-  
Dry Pigments
Sections  
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D280  
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These test methods establish the standard procedures for determining the hygroscopic moisture (and other matter volatile under the test conditions) in pigments. Method A shall be performed on pigments that do not decompose at a specified temperature. This method shall require the use of a wide-mouth cylindrical glass weighing bottle, an oven, and an analytical balance. Method B, on the other hand, shall be used for pigments that decompose at the same specified temperature. This method shall also need a wide-mouth cylindrical glass weighing bottle, an open-tube manometer, a glass desiccator, an oil vacuum pump, and an analytical balance.
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