ASTM D1091-00

    Standard Test Methods for Phosphorus in Lubricating Oils and Additives


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    1. Scope

    1.1 These test methods cover the determination of phosphorus in unused lubricating oils, lubricating oil additives, and their concentrates. The test methods are not restricted with respect to the type of phosphorus compounds that may be present-for example, trivalent or pentavalent phosphorus compounds, phosphines, phosphates, phosphonates, phosphorus sulfides, etc.-since all are quantitatively converted to an aqueous solution of orthophosphate ion by oxidation of the sample during the course of analysis.

    1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

    1.3 The values stated in acceptable metric units are to be regarded as the standard.


    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

    D1193 Specification for Reagent Water

    D4057 Practice for Manual Sampling of Petroleum and Petroleum Products

    D4177 Practice for Automatic Sampling of Petroleum and Petroleum Products

    D6299 Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance


    ICS Code

    ICS Number Code 75.100 (Lubricants, industrial oils and related products)

    UNSPSC Code

    UNSPSC Code 15120000(Lubricants and oils and greases and anti corrosives)


    Referencing This Standard
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    DOI: 10.1520/D1091-00

    Citation Format

    ASTM D1091-00, Standard Test Methods for Phosphorus in Lubricating Oils and Additives, ASTM International, West Conshohocken, PA, 2000, www.astm.org

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