Standard Specification for Bone Black Pigment

ABSTRACT
This specification covers bone black, ivory black, or drop black pigment. The pigment may be in dry form or in aqueous dispersion. Dry pigment shall be made by the calcinations of bones, unmixed with any other substance. Dry pigment shall compose of ash, ash insoluble in acids, and coarse particles. Pigment in aqueous dispersion shall be made by grinding the pigment with water, dispersing agent, biocide, fungicide, pH stabilizer, and defoamer. ASTM test methods shall be conducted for coarse particles, pigment and linseed oil in paste in oil, and mass color and tinting strength.
SCOPE
1.1 This specification covers the pigment commercially known as bone black, ivory black, or drop black. The pigment may be purchased in the dry form or as an aqueous dispersion.  
1.2 The values stated in SI units are to be regarded as 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-2023
Current Stage
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Technical specification
ASTM D210-05(2023) - Standard Specification for Bone Black 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: D210 − 05 (Reapproved 2023)
Standard Specification for
Bone Black Pigment
This standard is issued under the fixed designation D210; 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
Ash (pigment dried at 105 °C), max, % 88
Ash insoluble in acids, max, % 3.0
1.1 This specification covers the pigment commercially
Coarse particles (total residue retained on a No. 325 2.0
(45 μm) sieve), max, %
known as bone black, ivory black, or drop black. The pigment
may be purchased in the dry form or as an aqueous dispersion.
3.2 Pigment in Aqueous Dispersion—The aqueous disper-
sion shall be made by grinding the specified pigment with
1.2 The values stated in SI units are to be regarded as
water, dispersing agent, biocide, fungicide, pH stabilizer and
standard. The values given in parentheses are for information
defoamer using high speed dispersion equipment. The disper-
only.
sion shall conform to the following requirements:
1.3 This international standard was developed in accor-
Pigment, min 38 %
dance with internationally recognized principles on standard-
Dispersing agent 14 %
Biocide, max 1 %
ization established in the Decision on Principles for the
Fungicide, max 1 %
Development of International Standards, Guides and Recom-
pH Stabilizer, max 1 %
mendations issued by the World Trade Organization Technical
Defoamer, max 1 %
Water 44 %
Barriers to Trade (TBT) Committee.
3.3 The mass color and character of the tint and the tinting
2. Referenced Documents
strength formed by a mixture with a white pigment shall be
within mutually agreed upon limits of a standard acceptable to
2.1 ASTM Standards:
both the purchaser and the seller.
D185 Test Methods for Coarse Particles in Pigments
D387 Test Method for Color and Strength of Chromatic
4. Sampling
Pigments with a Mechanical Muller
4.1 Two samples shall be taken at random from different
D1208 Test Methods for Common Properties of Certain
packages from each 500 lb batch, consisting of one lot. At the
Pigments
option of the purchaser, the samples may be tested separately
or after blending in equal quantities the samples from the same
3. Composition and Properties
production unit to form a composite sample.
3.1 Dry Pigment—The pigment shall be made by the calci-
5. Test Methods
nation of bones, shall be unmixed with any
...

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