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ASTM D769-01(2012)

(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.

General Information

Status
Historical
Publication Date
31-Oct-2012
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(2007) - Standard Specification for Black Synthetic Iron Oxide
Effective Date
01-Nov-2012
Replaced By
ASTM D769-01(2019) - Standard Specification for Black Synthetic Iron Oxide
Effective Date
01-Jun-2019
Referred By
ASTM F3394/F3394M-20 - Standard Specification for Hardened Steel Backup and Reaction Washers Inch and Metric Dimensions<rangeref></rangeref >
Effective Date
01-Nov-2012

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ASTM D769-01(2012) - Standard Specification for Black Synthetic Iron OxideASTM D769-01(2012) - Standard Specification for Black Synthetic Iron Oxide
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ASTM D769-01(2012) - Standard Specification for Black Synthetic Iron Oxide
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D769 −01 (Reapproved 2012)
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 3.2 The mass color and character of the tint and the tinting
strength formed by a mixture with a white pigment shall be
1.1 This specification covers the pigment commercially
within mutually agreed upon limits of a standard acceptable to
known as black synthetic iron oxide.
both the purchaser and the seller.
1.2 The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information
4. Sampling
only.
4.1 Two samples shall be taken at random from different
2. Referenced Documents
packages from each lot, batch, day’s pack, or other unit of
2.1 ASTM Standards:
production in a shipment. When no markings distinguishing
D50 Test Methods for ChemicalAnalysis ofYellow, Orange,
between units of production appear, samples shall be taken
Red, and Brown Pigments Containing Iron and Manga-
from different packages in the ratio of two samples for each
nese
4540 kg or 10 000 lb, except that for shipments of less than 10
D185 Test Methods for Coarse Particles in Pigments
000 lb, two samples shall be taken. At the option of the
D280 Test Methods for Hygroscopic Moisture (and Other
purchaser, the samples may be tested separately or after
Matter Volatile Under the Test Conditions) in Pigments
blending in equal quantities the samples from the same
D387 Test Method for Color and Strength of Chromatic
production unit to form a composite sample.
Pigments with a Mechanical Muller
D1208 Test Methods for Common Properties of Certain
5. Test Methods
Pigments
D3872 Test Method for Ferrous Iron in Iron Oxides
5.1 Tests shall be conducted in accordance with the appro-
priate test methods. Test procedures not covered byASTM test
3. Composition and Properties
methods shall be mutually agreed upon between the purchaser
3.1 The pigment shall be a manufactured ferrous-ferric
and the seller.
oxideobtainedbychemicalreaction.Itshallbeasoftdryfinely
5.1.1 Total Iron Oxides—Test Methods D50.
powdered pigment, free of admixtures of other substances and
5.1.2 Ferrous Iron in Iron Oxides—Test Method D3872.
shall conform to the following requirements:
5.1.3 Water Soluble Matter, Maximum, Percent—Test Meth-
Total ferrous and ferric oxide, min % 93
Ferrous oxide (FeO), min, % 20
ods D1208.
Water-soluble matter, max, % 0.5
5.1.4 Moisture and Other Volatile Matter, Maximum
...

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ASTM  
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Refer-  
Dry Pigments
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