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ASTM D769-01(2019)

(Specification)

Standard Specification for Black Synthetic Iron Oxide

Standard Specification for Black Synthetic Iron Oxide

ABSTRACT
This specification details the properties and requirements for the pigment commercially known as black synthetic iron oxide, which is manufactured ferrous-ferric oxide obtained by chemical reaction. It shall be a soft dry finely powdered pigment, free of admixtures of other substances. Specimens shall be sampled, chemically tested, and conform accordingly to specified values of the following requirements: total iron oxides (as ferrous and ferric oxide); ferrous iron in iron oxide; water-soluble matter; moisture and other volatile matter; coarse particles (total residue retained on a No. 325 sieve); hydrogen ion concentration (pH value); and mass color, tint character, and tinting strength.
SCOPE
1.1 This specification covers the pigment commercially known as black synthetic iron oxide.  
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 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-2019
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

Replaces
ASTM D769-01(2012) - Standard Specification for Black Synthetic Iron Oxide
Effective Date
01-Jun-2019
Refers
ASTM D1208-96(2019) - Standard Test Methods for Common Properties of Certain Pigments
Effective Date
01-Jun-2019
Refers
ASTM D3872-05(2019) - Standard Test Method for Ferrous Iron in Iron Oxides
Effective Date
01-May-2019
Refers
ASTM D1208-96(2012) - Standard Test Methods for Common Properties of Certain Pigments
Effective Date
01-Nov-2012
Refers
ASTM D280-01(2012) - Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
Effective Date
01-Nov-2012
Refers
ASTM D3872-05(2011) - Standard Test Method for Ferrous Iron in Iron Oxides
Effective Date
01-Jun-2011
Refers
ASTM D50-90(2011) - Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
Effective Date
01-Jun-2011
Refers
ASTM D387-00(2008) - Standard Test Method for Color and Strength of Chromatic Pigments with a Mechanical Muller
Effective Date
01-Feb-2008
Refers
ASTM D185-07 - Standard Test Methods for Coarse Particles in Pigments
Effective Date
01-Jul-2007
Refers
ASTM D1208-96(2007) - Standard Test Methods for Common Properties of Certain Pigments
Effective Date
01-Jun-2007
Refers
ASTM D280-01(2007) - Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
Effective Date
01-Feb-2007
Refers
ASTM D50-90(2005) - Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
Effective Date
01-Sep-2005
Refers
ASTM D3872-05 - Standard Test Method for Ferrous Iron in Iron Oxides
Effective Date
01-Sep-2005
Refers
ASTM D280-01 - Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
Effective Date
10-May-2001
Refers
ASTM D280-81(1995) - Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
Effective Date
10-May-2001

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ASTM D769-01(2019) - Standard Specification for Black Synthetic Iron OxideASTM D769-01(2019) - Standard Specification for Black Synthetic Iron Oxide
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ASTM D769-01(2019) - Standard Specification for Black Synthetic Iron Oxide
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Standards Content (Sample)


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: D769 −01 (Reapproved 2019)
Standard Specification for
Black Synthetic Iron Oxide
This standard is issued under the fixed designation D769; 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
Total ferrous and ferric oxide, min % 93
Ferrous oxide (FeO), min, % 20
1.1 This specification covers the pigment commercially
Water-soluble matter, max, % 0.5
known as black synthetic iron oxide. Moisture and other volatile matter, max, % 1.0
Coarse particles (total residue retained on a No. 0.5
1.2 The values stated in SI units are to be regarded as the
325 (45-µm) sieve), max, %
Hydrogen ion concentration (pH value) 4.5 to 8.5
standard. The values given in parentheses are for information
only. 3.2 The mass color and character of the tint and the tinting
strength formed by a mixture with a white pigment shall be
1.3 This international standard was developed in accor-
within mutually agreed upon limits of a standard acceptable to
dance with internationally recognized principles on standard-
both the purchaser and the seller.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
4. Sampling
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
4.1 Two samples shall be taken at random from different
packages from each lot, batch, day’s pack, or other unit of
2. Referenced Documents
production in a shipment. When no markings distinguishing
between units of production appear, samples shall be taken
2.1 ASTM Standards:
from different packages in the ratio of two samples for each
D50 Test Methods for ChemicalAnalysis ofYellow, Orange,
4540 kg or 10 000 lb, except that for shipments of less than 10
Red, and Brown Pigments Containing Iron and Manga-
000 lb, two samples shall be taken. At the option of the
nese
purchaser, the samples may be tested separately or after
D185 Test Methods for Coarse Particles in Pigments
blending in equal quantities the samples from the same
D280 Test Methods for Hygroscopic Moisture (and Other
production unit to form a composite sample.
Matter Volatile Under the Test Conditions) in Pigments
D387 Test Method for Color and Strength of Chromatic
5. Test Methods
Pigments with a Mechanical Muller
D1208 Test Methods for Common Properties of Certain
5.1 Tests shall be conducted in accordance with the appro-
Pigments
priate test methods. Test procedures not covered byASTM test
D3872 Test Method for Ferrous Iron in Iron Oxides
methods shall be mutually agreed upon between the purchaser
and the seller.
3. Composition and Properties
5.1
...

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ASTM  
Method  
Refer-  
Dry Pigments
Sections  
ences  
Moisture and Other Volatile Matter  
6  
D280  
Loss on Ignition  
7  
Coarse Particles  
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Matter Soluble in Water  
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D1208  
Organic Coloring Matter  
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Calcium Carbonate (in Venetian Red)  
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C25  
Manganese (in Siennas and Umbers)  
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Pigment Content  
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D1208  
Moisture and Other Volatile Matter  
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Nonvolatile Matter in Vehicle  
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D562  
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