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ASTM D85-05(2019)

(Specification)

Standard Specification for Ochre Pigment

Standard Specification for Ochre Pigment

ABSTRACT
This specification covers ferrous earthy pigment included under the general term “ochre.” The pigment shall be a hydrated oxide of iron permeating a siliceous base and shall be free from added impurities and added coloring matter. The following test methods shall be conducted: chemical analysis of dry pigment; coarse particles; mass color and tinting strength; volatile matter; and moisture. The results of these test methods should conform to the pigment requirements.
SCOPE
1.1 This specification covers ferrous earthy pigment included under the general term “ochre.” The pigment may be purchased in the dry form.  
1.2 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
Historical
Publication Date
30-Apr-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

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REDLINE ASTM D85-05(2019) - Standard Specification for Ochre PigmentREDLINE ASTM D85-05(2019) - Standard Specification for Ochre Pigment
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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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D85 − 05 (Reapproved 2019)
Standard Specification for
1
Ochre Pigment
This standard is issued under the fixed designation D85; 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 added coloring matter. The pigment shall conform to the
following requirements:
1.1 This specification covers ferrous earthy pigment in-
Ferric oxide, min, % 17
cluded under the general term “ochre.” The pigment may be
Calcium oxide, max, % 5
purchased in the dry form.
Lead chromate none
Organic coloring matter none
1.2 This international standard was developed in accor-
Moisture and other volatile matter, max, % 1.0
dance with internationally recognized principles on standard-
Coarse particles (total residue retained on a No. 325 1.0
ization established in the Decision on Principles for the
(45-µm) sieve), max, %
Development of International Standards, Guides and Recom-
3.2 The mass color and character of the tint and the tinting
mendations issued by the World Trade Organization Technical
strength formed by a mixture with a white pigment shall be
Barriers to Trade (TBT) Committee.
within mutually agreed upon limits of a standard acceptable to
both the purchaser and the seller.
2. Referenced Documents
2
2.1 ASTM Standards:
4. Sampling
D50 Test Methods for Chemical Analysis of Yellow, Orange,
4.1 Two samples shall be taken at random from different
Red, and Brown Pigments Containing Iron and Manga-
packages from each lot, batch, day’s pack, or other unit of
nese
production in a shipment. When no markings distinguishing
D185 Test Methods for Coarse Particles in Pigments
between units of production appear, samples shall be taken
D280 Test Methods for Hygroscopic Moisture (and Other
from different packages in the ratio of two samples for each 5
Matter Volatile Under the Test Conditions) in Pigments
tons (inch-pound or SI), except that for shipments of less than
D387 Test Method for Color and Strength of Chromatic
10 000 lb two samples shall be taken. At the option of the
Pigments with a Mechanical Muller
purchaser, the samples may be tested separately or after
D1208 Test Methods for Common Properties of Certain
blending in equal quantities the samples from the same
Pigments
production unit to form a composite sample.
3. Composition and Properties
5. Test Methods
3.1 The pigment shall be a hydrated oxide of iron permeat-
5.1 Tests shall be conducted in accordance with the appro-
ing a siliceous base and shall be free from added impurities and
priate ASTM
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D85 − 05 (Reapproved 2011) D85 − 05 (Reapproved 2019)
Standard Specification for
1
Ochre Pigment
This standard is issued under the fixed designation D85; 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
1.1 This specification covers ferrous earthy pigment included under the general term “ochre.” The pigment may be purchased
in the dry form.
1.2 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D50 Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
D185 Test Methods for Coarse Particles in Pigments
D280 Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
D387 Test Method for Color and Strength of Chromatic Pigments with a Mechanical Muller
D1208 Test Methods for Common Properties of Certain Pigments
3. Composition and Properties
3.1 The pigment shall be a hydrated oxide of iron permeating a siliceous base and shall be free from added impurities and added
coloring matter. The pigment shall conform to the following requirements:
1
This specification is under the jurisdiction of ASTM Committee D01 on Paint and Related Coatings, Materials, and Applications and is the direct responsibility of
Subcommittee D01.31 on Pigment Specifications.
Current edition approved June 1, 2011May 1, 2019. Published June 2011May 2019. Originally approved in 1921. Last previous edition approved in 20052011 as
D85 – 05.D85 – 05(2011). DOI: 10.1520/D0085-05R11.10.1520/D0085-05R19.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D85 − 05 (2019)
Ferric oxide, min, % 17
Calcium oxide, max, % 5
Lead chromate none
Organic colo
...

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Dry Pigments
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