ASTM D768 - 01(2019)

    Standard Specification for Yellow Iron Oxide Hydrated

    Active Standard ASTM D768 | Developed by Subcommittee: D01.31

    Book of Standards Volume: 06.03

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    This specification covers the pigment commercially known as yellow iron oxide, hydrated. The pigment shall be a manufactured yellow iron oxide obtained by chemical reaction and shall be soft, finely powdered, and free of admixtures of other substances. The pigment shall conform to the composition requirements prescribed for: hydrated oxide of iron, total oxide of iron, loss on ignition, moisture and other volatile matter, water soluble matter, and coarse particles (total residues retained), and to the specified hydrogen ion concentration (pH value). The paste in oil shall be made by thoroughly grinding the specified pigment with linseed oil and the paste shall conform to the requirements prescribed for the following: pigment, nonvolatile vehicle, moisture by distillation, coarse particles and skins, and consistency by Stormer viscometer. The mass color character of the tint and the tinting strength formed by a mixture with a white pigment shall be within the specified limits. The methods for sampling, chemical analysis, and tests to determine conformance to the specified properties are given.

    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 the pigment commercially known as yellow iron oxide, hydrated.

    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.

    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

    D1208 Test Methods for Common Properties of Certain Pigments

    ICS Code

    ICS Number Code 87.060.10 (Pigments and extenders)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D0768-01R19

    Citation Format

    ASTM D768-01(2019), Standard Specification for Yellow Iron Oxide Hydrated, ASTM International, West Conshohocken, PA, 2019,

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