ASTM D85 - 05(2011)

    Standard Specification for Ochre Pigment

    Active Standard ASTM D85 | Developed by Subcommittee: D01.31

    Book of Standards Volume: 06.03


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    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.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    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


    ICS Code

    ICS Number Code 87.060.10 (Pigments and extenders)

    UNSPSC Code

    UNSPSC Code 31211503(Pigment paints)


    DOI: 10.1520/D0085-05R11

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