ASTM B561-94(1999)e1

    Historical Standard: ASTM B561-94(1999)e1 Standard Specification for Refined Platinum

    SUPERSEDED (see Active link, below)


    Buy Standard (PDF)
    2 pages
    $44.40

    Active (view current version of standard)


    ASTM B561

    1. Scope

    1.1 This specification covers refined platinum as sponge, cast bar, and wrought forms (Note 1) in two grades as follows:

    1.1.1 Grade 99.95 -Platinum having a purity of 99.95%, min, and

    1.1.2 Grade 99.99 -Platinum having a purity of 99.99% min.

    Note 1-Other forms of unfabricated platinum of commerce are not to be excluded under this specification. Note 2-For the purposes of determining conformance with this specification, an observed value obtained from analysis shall be rounded to the nearest unit in the last right hand place of figures used in expressing the limiting value, in accordance with the rounding off method of Practice E29.

    1.2 The values stated in inch-pound units are to be regarded as the standard. SI units are provided for information only.


    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

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications


    ICS Code

    ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/B0561-94R99E01

    ASTM International is a member of CrossRef.


    Citing ASTM Standards
    Back to Top